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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-Q

   (Mark One)

 X  Quarterly Report pursuant to Section 13 or 15(d) of the Securities Exchange
Act of 1934 for the quarterly period ended October 4, 1998 or 
                                           ---------------   

 _  Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange
Act of 1934 for the transition period from to ____________ to ____________



                         COMMISSION FILE NUMBER 0-17869
                                                -------

                               COGNEX CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)



            MASSACHUSETTS                                      04-2713778
   -------------------------------                         ------------------
   (State or other jurisdiction of                         (I.R.S. Employer
   incorporation or organization)                          Identification No.)


                                ONE VISION DRIVE
                        NATICK, MASSACHUSETTS 01760-2059
                                 (508) 650-3000
              ----------------------------------------------------
             (Address, including zip code, and telephone number,
              including area code, of principal executive offices)





     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.

                   Yes   X                        No   
                        ---                            ---

     As of November 1, 1998, there were 40,046,428 shares of Common Stock, $.002
par value, of the registrant outstanding.

                            Total number of pages: 15
                       Exhibit index is located on page 14
================================================================================


   2


                                      INDEX

   PART I     FINANCIAL INFORMATION

   Item 1.    Financial Statements
              Consolidated Statements of Income for the three and nine months 
               ended October 4, 1998 and September 28, 1997
              Consolidated Balance Sheets at October 4, 1998 and December 31, 
               1997 
              Consolidated Statement of Stockholders' Equity for the nine 
               months ended October 4, 1998
              Consolidated Statements of Cash Flows for the nine months ended 
               October 4, 1998 and September 28, 1997 
              Notes to Consolidated Financial Statements

   Item 2.    Management's Discussion and Analysis of Financial Condition and 
               Results of Operations

   PART II    OTHER INFORMATION

   Item 1.    Legal Proceedings

   Item 2.    Changes in Securities

   Item 3.    Defaults Upon Senior Securities

   Item 4.    Submission of Matters to a Vote of Security Holders

   Item 5.    Other Information

   Item 6.    Exhibits and Reports on Form 8-K

              Signatures

   3





                          PART I: FINANCIAL INFORMATION

ITEM 1:  FINANCIAL STATEMENTS

                               COGNEX CORPORATION

                        CONSOLIDATED STATEMENTS OF INCOME
                    (In thousands, except per share amounts)


                                                                           THREE MONTHS ENDED            NINE MONTHS ENDED
                                                                       OCTOBER 4,    SEPTEMBER 28,   OCTOBER 4,  SEPTEMBER 28,
                                                                          1998           1997           1998         1997
                                                                       ----------    -------------   ----------  -------------
                                                                              (UNAUDITED)                 (UNAUDITED)
                                                                                                             
Revenue .........................................................       $ 24,659        $43,936       $96,751       $108,350

Cost of revenue .................................................          8,277         11,460        28,678         29,095
                                                                        --------        -------       -------       --------

Gross margin ....................................................         16,382         32,476        68,073         79,255

Research, development and engineering expenses ..................          6,440          5,717        18,695         16,242

Selling, general and administrative expenses ....................          8,937          9,668        28,199         26,003

Charge for acquired in-process technology .......................          2,100          3,115         2,100          3,115
                                                                        --------        -------       -------       --------

Income (loss) from operations ...................................         (1,095)        13,976        19,079         33,895

Investment income ...............................................          1,598          1,573         5,117          4,150

Other income ....................................................            148            195           484            524
                                                                        --------        -------       -------       --------

Income before income taxes ......................................            651         15,744        24,680         38,569

Income tax provision (benefit) ..................................           (300)         4,803         6,670         11,765
                                                                        --------        -------       -------       --------

Net income ......................................................       $    951        $10,941       $18,010       $ 26,804
                                                                        ========        =======       =======       ========

Net income per share:
     Basic ......................................................       $    .02        $   .26       $   .44       $    .65
                                                                        ========        =======       =======       ========
     Diluted ....................................................       $    .02        $   .24       $   .42       $    .60
                                                                        ========        =======       =======       ========

Weighted-average common and common equivalent 
     shares outstanding:
     Basic ......................................................         40,559         41,489        41,269         41,191
                                                                        ========        =======       =======       ========
     Diluted ....................................................         42,916         45,149        43,052         44,632
                                                                        ========        =======       =======       ========



   The accompanying notes are an integral part of these consolidated financial
                                  statements.


                                       1


   4


                               COGNEX CORPORATION
                           CONSOLIDATED BALANCE SHEETS
                             (Dollars in thousands)


                                                                             OCTOBER 4,     DECEMBER 31,
                                                                                1998            1997
                                                                            -----------     ------------
                                                                            (unaudited)
                                                                                              
ASSETS
Current assets:
      Cash and investments ...........................................       $ 154,381        $ 178,014
      Accounts receivable, less reserves of $2,495 and $1,940 in 1998
       and 1997, respectively ........................................          20,953           25,095
      Revenue in excess of billings ..................................           3,305            3,723
      Inventories ....................................................          11,227            7,784
      Deferred income taxes ..........................................           3,996            3,453
      Prepaid expenses and other .....................................           7,337            5,937
                                                                             ---------        ---------

            Total current assets .....................................         201,199          224,006

Property, plant and equipment, net ...................................          34,723           32,995
Other assets .........................................................           3,947            3,462
Deferred income taxes ................................................           1,565            1,377
                                                                             ---------        ---------
                                                                             $ 241,434        $ 261,840
                                                                             =========        =========
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
      Accounts payable ...............................................       $   2,740        $   3,332
      Accrued expenses ...............................................          10,453           13,712
      Accrued income taxes ...........................................             476            2,684
      Customer deposits ..............................................           3,677            3,112
      Deferred revenue ...............................................           2,598            1,596
                                                                             ---------        ---------
            Total current liabilities ................................          19,944           24,436
                                                                             ---------        ---------

Other liabilities ....................................................           2,010            1,262

Stockholders' equity:
      Common stock, $.002 par value -
           Authorized: 120,000,000 shares, issued: 42,220,261 and
           41,859,395 shares in 1998 and 1997, respectively ..........              84               84
      Additional paid-in capital .....................................          94,811           91,082
      Cumulative translation adjustment ..............................             (54)              44
      Retained earnings ..............................................         164,378          146,368
      Treasury stock, at cost 2,203,340 and 103,139 shares in 1998 and
           1997, respectively
                                                                               (39,739)          (1,436)
                                                                             ---------        ---------
            Total stockholders' equity ...............................         219,480          236,142
                                                                             ---------        ---------
                                                                             $ 241,434        $ 261,840
                                                                             =========        =========


   The accompanying notes are an integral part of these consolidated financial
                                  statements.


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   5

                               COGNEX CORPORATION
                 CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY

                             (Dollars in thousands)


                                                      COMMON STOCK   ADDITIONAL CUMULATIVE             TREASURY STOCK      TOTAL
                                                 -------------------- PAID-IN  TRANSLATION RETAINED ------------------ STOCKHOLDERS'
                                                   SHARES   PAR VALUE CAPITAL  ADJUSTMENT  EARNINGS  SHARES     COST      EQUITY
                                                 ---------- --------- -------- ----------- -------- --------- -------- -------------
                                                                                                      
Balance at December 31, 1997 ................... 41,859,395    $84    $91,082    $ 44     $146,368  103,139   $ (1,436) $ 236,142

 Issuance of common stock under stock option and                                
     stock purchase plans ......................    360,866             2,260                                               2,260
 Tax benefit from exercise of stock options ....                        1,469                                               1,469
 Common stock received for payment of                                            
     stock option exercises ....................                                                        2,001      (50)       (50)
 Repurchase of common stock ....................                                                    2,098,200  (38,253)   (38,253)
 Translation adjustment ........................                                  (98)                                        (98)
 Net income ....................................                                            18,010                         18,010
                                                 ----------    ---    -------    ----     --------  --------- --------  ---------
Balance at October 4, 1998 (unaudited) ......... 42,220,261    $84    $94,811    $(54)    $164,378  2,203,340 $(39,739) $ 219,480
                                                 ==========    ===    =======    ====     ========  ========= ========  =========



   The accompanying notes are an integral part of these consolidated financial
                                  statements.


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                               COGNEX CORPORATION
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                             (Dollars in thousands)



                                                                                NINE MONTHS ENDED
                                                                           OCTOBER 4,     SEPTEMBER 28,
                                                                              1998            1997
                                                                           ----------     -------------
                                                                                   (UNAUDITED)
                                                                                            
Cash flows from operating activities:
      Net income ...................................................       $  18,010        $  26,804
      Adjustments to reconcile net income to net cash provided by
         operating activities:
         Depreciation and amortization .............................           6,599            5,495
         Tax benefit from exercise of stock options ................           1,469            5,940
         Charge for acquired in-process technology .................           2,100            3,115
         Deferred income tax provision .............................            (731)             (29)
         Change in other current assets and current liabilities ....          (4,914)         (13,326)
         Other .....................................................              77              145
                                                                           ---------        ---------

      Net cash provided by operating activities ....................          22,610           28,144
                                                                           ---------        ---------

Cash flows from investing activities:
      Purchase of investments ......................................         (54,525)         (59,031)
      Maturity of investments ......................................          63,075           28,019
      Purchase of property, plant and equipment ....................          (6,403)          (8,248)
      Cash paid for technology acquisitions ........................          (2,864)          (2,999)
                                                                           ---------        ---------
      Net cash used in investing activities ........................            (717)         (42,259)
                                                                           ---------        ---------

Cash flows from financing activities:
      Issuance of common stock under stock option and stock purchase
       plans .......................................................           2,210            4,112
      Repurchase of common stock ...................................         (38,253)
                                                                           ---------        ---------
      Net cash provided by (used in) financing activities ..........         (36,043)           4,112

Effect of exchange rate changes on cash ............................             302              180
                                                                           ---------        ---------

Net decrease in cash and cash equivalents ..........................         (13,848)          (9,823)
Cash and cash equivalents at beginning of period ...................          38,198           48,423
                                                                           ---------        ---------
Cash and cash equivalents at end of period .........................          24,350           38,600
Investments ........................................................         130,031          115,443
                                                                           ---------        ---------
Cash and investments ...............................................       $ 154,381        $ 154,043
                                                                           =========        =========



   The accompanying notes are an integral part of these consolidated financial
                                  statements.


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   7

                               COGNEX CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

          BASIS OF PRESENTATION

          As permitted by the rules of the Securities and Exchange Commission
          applicable to Quarterly Reports on Form 10-Q, these notes are
          condensed and do not contain all disclosures required by generally
          accepted accounting principles. Reference should be made to the
          consolidated financial statements and related notes included in the
          Company's Annual Report on Form 10-K for the year ended December 31,
          1997, as filed with the Securities and Exchange Commission on March
          27, 1998.

          In the opinion of the management of Cognex Corporation, the
          accompanying consolidated financial statements contain all adjustments
          necessary to present fairly the Company's financial position at
          October 4, 1998, and the results of operations for the three and nine
          months ended October 4, 1998, and changes in stockholders' equity and
          cash flows for the nine months ended October 4, 1998.

          The results disclosed in the Consolidated Statements of Income for the
          three and nine months ended October 4, 1998 are not necessarily
          indicative of the results to be expected for the full year.

          Certain amounts reported in prior periods have been reclassified to be
          consistent with the current period's presentation.

INVENTORIES

Inventories consist of the following:

(In thousands)                       OCTOBER 4,   DECEMBER 31,
                                        1998          1997
                                    -----------   ------------
                                    (UNAUDITED)
Raw materials...................     $  6,159       $  4,425
Work-in-process.................        2,039          1,355
Finished goods..................        3,029          2,004
                                     --------       --------
                                     $ 11,227       $  7,784
                                     ========       ========



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                               COGNEX CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NET INCOME PER SHARE

Net income per share is calculated as follows:


(In thousands)                                                THREE MONTHS ENDED           NINE MONTHS ENDED
                                                           OCTOBER 4,   SEPTEMBER 28,  OCTOBER 4,  SEPTEMBER 28, 
                                                             1998           1997         1998          1997      
                                                           ----------   -------------  ----------  ------------- 
                                                                 (UNAUDITED)                   (UNAUDITED)
                                                                                         
                                                                                               
Net income ...........................................       $   951       $10,941       $18,010       $26,804
                                                             =======       =======       =======       =======
BASIC:
    Weighted-average common shares
       outstanding ...................................        40,559        41,489        41,269        41,191
                                                             =======       =======       =======       =======
     Net income per common share .....................       $   .02       $   .26       $   .44       $   .65
                                                             =======       =======       =======       =======
DILUTED:
    Weighted-average common shares outstanding
                                                              40,559        41,489        41,269        41,191
     Effect of dilutive securities:
         Stock options ...............................         2,357         3,660         1,783         3,441
                                                             -------       -------       -------       -------
     Weighted-average common and common
         equivalent shares outstanding ...............        42,916        45,149        43,052        44 632
                                                             =======       =======       =======       =======

     Net income per common and common 
         equivalent share ............................       $   .02       $   .24       $   .42       $   .60
                                                             =======       =======       =======       =======



     COMPREHENSIVE INCOME

     The Company has adopted Statement of Financial Accounting Standards (SFAS)
     No. 130, "Reporting Comprehensive Income," effective January 1, 1998. SFAS
     No. 130 requires that all items recognized under accounting standards as
     components of comprehensive income be shown in an annual financial
     statement that is displayed with the same prominence as other annual
     financial statements. This statement also requires that an entity classify
     items of other comprehensive income by their nature in an annual financial
     statement. Other comprehensive income consists of foreign currency
     translation adjustments. Comprehensive income totaled $968,000 and
     $17,912,000 for the three and nine months ended October 4, 1998 and
     $10,961,000 and $26,791,000 for the three and nine months ended September
     29, 1997.

     STOCK REPURCHASE PROGRAM

     On April 21, 1998, the Company's Board of Directors authorized the
     repurchase of up to $20,000,000 of the Company's common stock. A total of
     882,000 shares were repurchased through May 27, 1998 amounting to
     $19,936,694 which completed the Company's repurchases under this program.
     On June 3, 1998, the Board authorized the repurchase of up to an additional
     1,500,000 shares of the Company's common stock. As of October 4, 1998,
     1,216,200 shares have been repurchased under this second program amounting
     to $18,316,708. Such repurchases are part of the Company's ongoing program
     to replenish shares used for the granting of stock options and are made
     from time to time in the open market or in private transactions depending
     upon acceptable price levels and the availability of shares. Funds for the
     repurchases come from the Company's existing cash and investment balances
     along with cash generated from operations.


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   9


                               COGNEX CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

     ACQUISITION OF ALLEN BRADLEY TECHNOLOGY

     On July 28, 1998, the Company signed a definitive agreement to form a
     global relationship with Rockwell Automation. Under the agreement, the
     Company paid cash for certain technologies of Rockwell Automation's Allen
     Bradley machine vision business and became the preferred supplier of
     machine vision products to Rockwell Automation's customers worldwide.

     The acquired technology was valued using a risk-adjusted cash flow model,
     under which future cash flows were discounted taking into account risks
     related to existing markets, the technology's life expectancy, future
     target markets and potential changes thereto, and the competitive outlook
     for the technology. This analysis resulted in an allocation of $2,100,000
     to in-process technology which had not reached technological feasibility
     and had no alternative future use, and accordingly, was expensed
     immediately.



                                       7



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ITEM 2: MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
OF OPERATIONS

     RESULTS OF OPERATIONS

     Revenue for the three-month and nine-month periods ended October 4, 1998
     totaled $24,659,000 and $96,751,000, respectively, compared to $43,936,000
     and $108,350,000 for the same periods in 1997, representing a 44% decrease
     for the three-month period and an 11% decrease for the nine-month period.
     The Company's results continue to be impacted by a worldwide slowdown in
     the semiconductor and electronics industries. This slowdown has resulted in
     a reduction in capital spending by manufacturers in these industries which
     is an important source of revenue for the Company.

     The decrease in revenue of $19,277,000, or 44%, for the three-month period
     is due to decreased volume from both the Company's Original Equipment
     Manufacturer (OEM) customers and end user customers. Sales to OEM
     customers, most of whom make capital equipment used by manufacturers in the
     semiconductor and electronics industries, decreased $16,894,000, or 56%,
     from the third quarter of 1997. In addition, sales to end user customers,
     some of whom manufacture products in the semiconductor and electronics
     industries, decreased $2,383,000, or 17%, from the third quarter of 1997.

     The decrease in revenue of $11,599,000, or 11%, for the nine-month period
     is due primarily to decreased volume from the Company's OEM customers.
     Sales to OEM customers decreased $16,420,000, or 22%, from the prior year.
     Sales to end user customers, however, increased $4,821,000, or 14%, from
     the prior year as a result of additional sales and marketing resources
     serving customers in this market, as well as sales of Fine-Line products
     which the Company acquired from Mayan Automation, Inc. in a purchase
     transaction on July 31, 1997. However, the increased end user sales
     achieved in the first two quarters of 1998 was partially offset by
     decreased volume to end user customers in the semiconductor and electronics
     industries in the third quarter.

     The Company anticipates that its results for the next several quarters will
     continue to be impacted by the worldwide slowdown in the semiconductor and
     electronics industries. Accordingly, the Company anticipates that revenue
     may be sequentially flat over the next several quarters.

     Gross margin as a percentage of revenue for the three-month and nine-month
     periods ended October 4, 1998 was 66% and 70%, respectively, compared to
     74% and 73% for the same periods in 1997. The decrease in gross margin as a
     percentage of revenue is due primarily to the impact of lower sales volume
     in 1998, as well as higher service costs as the Company builds its
     worldwide service and support team. Gross margin as a percentage of revenue
     is expected to remain at its current level for the next several quarters.

     Research, development and engineering expenses for the three-month and
     nine-month periods ended October 4, 1998 totaled $6,440,000 and
     $18,695,000, respectively, compared to $5,717,000 and $16,242,000 for the
     same periods in 1997, representing a 13% increase for the three-month
     period and a 15% increase for the nine-month period. The increase in
     aggregate expenses is due primarily to higher personnel-related costs, as
     well as higher outside service costs, to support the Company's continued
     investment in the research and development of new and existing products.
     Expenses as a percentage of revenue were 26% and 19% for the three-month
     and nine-month periods in 1998, compared to 13% and 15% for the same
     periods in 1997. The increase in expenses as a percentage of revenue is due
     primarily to the lower revenue base in 1998. The Company intends to
     continue its product development efforts, and therefore, the level of
     research, development and engineering expenses as a percentage of revenue
     is expected to remain at its current level for the next several quarters.


                                       8


   11


     RESULTS OF OPERATIONS, CONTINUED

     Selling, general and administrative expenses for the three-month and
     nine-month periods ended October 4, 1998 totaled $8,937,000 and
     $28,199,000, respectively, compared to $9,668,000 and $26,003,000 for the
     same periods in 1997, representing an 8% decrease for the three-month
     period and an 8% increase for the nine-month period. The decrease in
     aggregate expenses for the three-month period is due primarily to the
     cost-containment measures the Company has taken during the third quarter of
     1998 which include the elimination of employee bonuses and a reduction in
     certain employee benefit expenses. The increase in aggregate expenses for
     the nine-month period is due primarily to higher personnel-related costs in
     the first two quarters of 1998, both domestically and internationally, to
     support the Company's expanding worldwide operations. Expenses as a
     percentage of revenue were 36% and 29% for the three-month and nine-month
     periods in 1998, compared to 22% and 24% for the same periods in 1997. The
     increase in expenses as a percentage of revenue is due primarily to the
     lower revenue base in 1998. Certain cost-containment measures implemented
     during the third quarter of 1998, including the elimination of employee
     bonuses, will not have as significant an impact on the Company's future
     results as they did in the third quarter, and therefore, the level of
     selling, general and administrative expenses as a percentage of revenue may
     increase in the fourth quarter of 1998.

     On July 28, 1998, the Company signed a definitive agreement to form a
     global relationship with Rockwell Automation. Under the agreement, the
     Company paid cash for certain technologies of Rockwell Automation's Allen
     Bradley machine vision business and became the preferred supplier of
     machine vision products to Rockwell Automation's customers worldwide.

     The acquired technology was valued using a risk-adjusted cash flow model,
     under which future cash flows were discounted taking into account risks
     related to existing markets, the technology's life expectancy, future
     target markets and potential changes thereto, and the competitive outlook
     for the technology. This analysis resulted in an allocation of $2,100,000
     to in-process technology which had not reached technological feasibility
     and had no alternative future use, and accordingly, was expensed
     immediately.

     The Company expects to invest additional development efforts related to the
     in-process technology to add or improve functionality, increase hardware
     performance, and conform and integrate the technology to the Company's
     product standards. These expenditures are expected to be paid out through
     1999 with anticipated funding from cash flow generated from operations and
     are not expected to significantly impact the planned level of research and
     development expenditures.

     Investment income for the three-month and nine-month periods ended October
     4, 1998 totaled $1,598,000 and $5,117,000, respectively, compared to
     $1,573,000 and $4,150,000 for the same periods in 1997, representing a 2%
     increase for the three-month period and a 23% increase for the nine-month
     period. The increase in investment income is due primarily to a higher
     average invested cash balance in 1998.

     The Company's use of tax-free investments reduced its effective tax rate
     for 1998 to 27.0%. The year-to-date benefit of this reduced rate was
     recorded during the third quarter of 1998. The Company's effective tax rate
     was 30.5% in 1997.

     LIQUIDITY AND CAPITAL RESOURCES

     The Company's cash requirements during the nine-month period ended October
     4, 1998 were met through cash generated from operations along with existing
     cash and investments balances. Cash and investments decreased $23,633,000
     from December 31, 1997 primarily as a result of $38,253,000 of cash used to
     repurchase the Company's common stock and $6,403,000 of capital
     expenditures, partially offset by $22,610,000 of cash generated from
     operations.

     Capital expenditures for the nine-month period ended October 4, 1998
     totaled $6,403,000 and consisted primarily of expenditures for computer
     hardware and software, as well as expenditures for furniture and fixtures
     primarily related to the occupancy of the 50,000 square-foot expansion of
     the Company's corporate headquarters and expenditures for leasehold
     improvements related to a new office in Japan.



                                       9


   12


     LIQUIDITY AND CAPITAL RESOURCES, CONTINUED

     On April 21, 1998, the Company's Board of Directors authorized the
     repurchase of up to $20,000,000 of the Company's common stock. A total of
     882,000 shares were repurchased through May 27, 1998 amounting to
     $19,937,000 which completed the Company's repurchases under this program.
     On June 3, 1998, the Board authorized the repurchase of up to an additional
     1,500,000 shares of the Company's common stock. As of October 4, 1998,
     1,216,200 shares have been repurchased under this second program amounting
     to $18,317,000. Funds for the repurchases come from the Company's existing
     cash and investment balances along with cash generated from operations.

     The Company believes that its existing cash and investments balance,
     together with cash generated from operations, will be sufficient to meet
     the Company's planned working capital and capital expenditure requirements
     through 1999, including the Company's stock repurchase program and
     potential business acquisitions.

     On June 15, 1998, the Financial Accounting Standards Board (FASB) issued
     Statement of Financial Accounting Standards (SFAS) No. 133, "Accounting for
     Derivative Instruments and Hedging Activities." SFAS No. 133 is effective
     for all fiscal quarters of all fiscal years beginning after June 15, 1999.
     SFAS No. 133 requires that all derivative instruments be recorded on the
     balance sheet at their fair value. Changes in the fair value of derivatives
     are recorded each period in current earnings or other comprehensive income,
     depending on whether a derivative is designated as part of a hedge
     transaction and, if it is, the type of hedge transaction. The Company
     anticipates that, due to its limited use of derivative instruments, the
     adoption of SFAS No. 133 will not have a significant effect on the
     Company's results of operations or its financial position.

     On January 1, 1999, eleven of the fifteen member countries of the European
     Union are scheduled to establish fixed conversion rates between their
     existing sovereign currencies and the euro, making the euro their common
     legal currency on that date. Following the introduction of the euro, the
     legacy currencies are scheduled to remain legal tender in the participating
     countries as denominations of the euro between January 1, 1999 and January
     1, 2002 (the "transition period"). During the transition period, public and
     private parties may pay for goods and services using either the euro or the
     participating country's legacy currency on a "no compulsion, no
     prohibition" basis. However, conversion rates no longer will be computed
     directly from one legacy currency to another. Instead, a triangular process
     will apply whereby an amount denominated in one currency will first be
     converted into the euro. The resultant euro-denominated amount will then be
     converted into the second legacy currency.

     The Company is currently evaluating the business implications of conversion
     to the euro, including technical adaption of the information technology and
     other systems to accommodate euro-denominated transactions, long-term
     competitive implications of the conversions, and the effect on market risk
     with respect to financial instruments. At this time, the Company has not
     completed its assessment of the impact of the conversion.


                                       10


   13


     YEAR 2000 UPDATE

     The Company is aware of the potential for industry wide business disruption
     which could occur due to problems related to the "Year 2000 issue." It is
     the belief of management that we have a prudent plan in place to address
     these issues within our Company and our supply chain. The components of our
     plan include: an assessment of internal systems for modification and/or
     replacement; communication with external vendors to determine their state
     of readiness to maintain an uninterrupted supply of goods and services to
     the Company; and an evaluation of product sold by the Company to customers
     as to the ability of the product to work properly after the turn of the
     century.

     INTERNAL SYSTEMS

     The process the Company is following to achieve Year 2000 compliance for
     internal systems is as follows:

     1.  Develop an inventory of all internal systems
     2.  Determine the Year 2000 compliance status of each internal system
     3.  Prioritize the importance of Year 2000 compliance for each internal 
          system
     4.  Determine the method to be used to achieve compliance (modify,
          replace, cease use)
     5.  Complete the planned action
     6.  Test the system

     The initial inventory, compliance status, and prioritization of all
     internal systems in use throughout the Company has been completed. We have
     identified five internal systems that are used for business transaction
     processing as being critical to the uninterrupted operation of the
     business. Of these five systems, our initial assessment indicates that
     three are Year 2000 compliant. We are on schedule to have the remaining two
     systems Year 2000 compliant by June 30, 1999 through vendor-provided
     upgrades and enhancements. In addition, we have completed an initial
     assessment of our technology infrastructure (servers, networks, phone
     systems) and plan to have all items remediated, replaced, or decommissioned
     by June 30, 1999. 

     VENDORS

     The Company has initiated a program to survey the Year 2000 readiness of
     its major vendors. We have sent letters to over 250 vendors outlining our
     approach towards the Year 2000 issue and asking for either their
     certification that their product is Year 2000 compliant or their commitment
     to resolve any issues they may have. We have identified vendors we view as
     critical to our business. We have defined a critical vendor as one who's
     inability to continue to provide goods and services would have a serious
     adverse impact on the Company's ability to produce, deliver, and collect
     payment for our product. To date, we have received responses from
     approximately 150 vendors who have either certified that their product is
     Year 2000 compliant or have provided a compliance plan. The remaining
     critical vendors will be contacted by the senior management member
     responsible for the business relationship and will be requested to respond
     to the Company's Year 2000 letter. The majority of the vendors who have not
     yet responded to the Company's letter are considered non-critical vendors.

     PRODUCTS

     The Company is in the process of testing all Cognex vision hardware and
     software products for Year 2000 compliance. Based on its current level of
     analysis and testing, the Company believes it is unlikely that a Year 2000
     problem will occur because Cognex boards do not provide hardware support
     for tracking calendar dates. In addition, none of the Company's core vision
     functionality is date sensitive or dependent. However, customer developed
     application code built on top of Cognex vision tools, such as results
     logging, may be vulnerable to a Year 2000 problem. Upon completion of
     product testing, remediation will be implemented, if necessary, to meet the
     requirements of the Year 2000 transition. 


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     YEAR 2000 UPDATE, CONTINUED

     COSTS

     Costs incurred in the Company's Year 2000 compliance effort are expensed as
     incurred and funded with cash generated from operations. In total, these
     costs are not expected to be substantially different from the normal,
     recurring costs that are incurred for product development and systems
     maintenance.

     RISKS AND CONTINGENCY PLAN

     Although we believe we are taking prudent action related to the
     identification and resolution of issues related to the Year 2000, our
     assessment is still in progress. We may never be able to know with
     certainty whether certain critical vendors are compliant, especially those
     outside the United States. Failure of critical vendors to make their
     computer systems Year 2000 compliant could result in delaying deliveries of
     products and services to the Company. If such delays are extended, they
     could have a material adverse effect on the Company's business.

     The failure to correct a material Year 2000 problem could result in an
     interruption in, or a failure of, certain normal business activities. Such
     failures could materially and adversely affect the Company's results of
     operations, liquidity, and financial condition. Due to the general
     uncertainty inherent in the Year 2000 issue, resulting in part from the
     uncertainty of the Year 2000 readiness of third-party vendors, the Company
     is unable to determine at this time whether the consequences of Year 2000
     failures will have material impact of the Company's result of operations,
     liquidity, or financial condition. The Year 2000 compliance project is
     expected to significantly reduce the Company's level of uncertainty about
     the Year 2000 issue and, in particular, about the Year 2000 compliance and
     readiness of its critical vendors. The Company believes that, with the
     completion of the Year 2000 compliance project as scheduled, the
     possibility of significant interruptions of normal operations should be
     reduced.

     The Company continues to evaluate the risks associated with potential Year
     2000 related failures. As we better understand the risks within our unique
     set of internal systems, business partners, and products, we will develop a
     formal contingency plan to alleviate the impact of high potential or
     serious failures. We anticipate having this contingency plan outlined by
     June 30, 1999. The components of this plan will likely include raw material
     and finished goods inventory levels, alternative vendors, and backup
     systems. Until the contingency plan is completed, the Company does not
     possess the information necessary to estimate the potential impact of Year
     2000 compliance issues related to internal systems, its vendors, its
     customers, and other parties.


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   15



     FORWARD-LOOKING STATEMENTS

     Certain statements made in this report (including statements made
     regarding the Year 2000 issue), as well as oral statements made by the
     Company from time to time, which are prefaced with words such as "expects,"
     "anticipates," "believes," and similar words and other statements of
     similar sense, are forward-looking statements. These statements are based
     on the Company's current expectations and estimates as to prospective
     events and circumstances, which may or may not be in the Company's control
     and as to which there can be no firm assurances given. These
     forward-looking statements, like any other forward-looking statements,
     involve risks and uncertainties that could cause actual results to differ
     materially from those projected or anticipated. Such risks and
     uncertainties include (1) the loss of, or a significant curtailment of
     purchases by, any one or more principal customers; (2) the cyclicality of
     the semiconductor and electronics industries; (3) the Company's continued
     ability to achieve significant international revenue; (4) capital spending
     trends by manufacturing companies; (5) inability to protect the Company's
     proprietary technology and intellectual property; (6) inability to attract
     or retain skilled employees; (7) technological obsolescence of current
     products and the inability to develop new products; (8) inability to
     respond to competitive technology and pricing pressures; and (9) reliance
     upon certain sole source suppliers to manufacture or deliver critical
     components of the Company's products. The foregoing list should not be
     construed as exhaustive and the Company disclaims any obligation to
     subsequently revise forward-looking statements to reflect events or
     circumstances after the date of such statements or to reflect the
     occurrence of anticipated or unanticipated events. Further discussions of
     risk factors are also available in the Company's registration statements
     filed with the Securities and Exchange Commission. The Company wishes to
     caution readers not to place undue reliance upon any such forward-looking
     statements, which speak only as of the date made.


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   16


                           PART II: OTHER INFORMATION

ITEM 1.   LEGAL PROCEEDINGS

          The Company has filed a complaint in the United States District Court
          in Massachusetts against the Lemelson Medical, Education, and Research
          Foundation, Limited Partnership. The Company is seeking a declaration
          that various patents which are claimed to cover "machine vision" and
          which were assigned to the Lemelson Foundation by the late Jerome H.
          Lemelson, are invalid, are unenforceable, and are not infringed by
          either Cognex or by any users of Cognex products. In addition, the
          Company is seeking recovery of attorney's fees.

ITEM 2.   CHANGES IN SECURITIES

          None

ITEM 3.   DEFAULTS UPON SENIOR SECURITIES

          None

ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

          None

ITEM 5.   OTHER INFORMATION

          None

ITEM 6.   EXHIBITS AND REPORTS ON FORM 8-K

          (a)  Exhibits

               Exhibit 27 -   Financial Data Schedule (electronic filing only)

          (b)  Reports on Form 8-K

               None


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   17


                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

DATE: November 13, 1998         COGNEX CORPORATION

                                
                                /s/ John J. Rogers, Jr.
                                ---------------------------
                                John J. Rogers, Jr.
                                Executive Vice President, Chief Financial
                                Officer, and Treasurer (duly authorized officer,
                                principal financial and accounting officer)


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