EXHIBIT 10.2

                                LOAN AGREEMENT



                                                Dated: January 29, 1998
NAME OF BORROWER:

      VICON INDUSTRIES, INC.


PRINCIPAL PLACE OF BUSINESS:

      89 Arkay Drive    Hauppauge         Suffolk     NY          11788

    Street & No.        City/Town         County      State       Zip
                                                                  Code

STATE OF INCORPORATION:

      New York State



1.    PREAMBLE

      The Borrower has requested  KEYBANK NATIONAL  ASSOCIATION (the "Bank"),  a
national  banking  association,  with an office for the  transaction of business
located at 1377 Motor Parkway,  Islandia, New York 11788 to grant (i) a mortgage
loan in the amount of TWO MILLION  FIVE  HUNDRED  TWELVE  THOUSAND  ($2,512,000)
DOLLARS  (the  "Mortgage  Loan")  and (ii) a term  loan in the  amount  of THREE
HUNDRED EIGHTY-EIGHT THOUSAND ($388,000) DOLLARS (the "Term Loan") (the Mortgage
Loan and Term Loan are  hereinafter  collectively  referred to as the "Loan") to
the  Borrower,  and the Bank is  willing  to do so but only  upon the  terms and
conditions of:

      (a) this Loan Agreement (the "Agreement"),

      (b) a Mortgage Note (the "Mortgage Note"), dated on even date herewith,

      (c) a Term Loan Note (the "Term Loan Note"),  dated on even date  herewith
(the Mortgage Note and Term Loan Note  hereinafter  collectively  referred to as
the "Note"),

      (d) a first  Mortgage and  Security  Agreement  and a second  Mortgage and
Security  Agreement,  each dated on even date  herewith  covering  the  Premises
(hereinafter defined)(collectively, the "Mortgage"),

      (e)  an  Assignment  of  Leases  and  Rents  covering  the  Premises  (the
"Assignment of Rents"),







                                                     

      (f) and other  documents  executed or  provided by Borrower in  connection
with this transaction (this Agreement, the Note, the Mortgage, the Assignment of
Rents, and the other documents are hereinafter  collectively referred to as, the
"Loan Documents").


2.    USE OF LOAN PROCEEDS

      The Borrower will use the Loan  proceeds to purchase the property  located
at 89 Arkay Drive, Hauppauge, New York 11788 (the "Premises").


3.    LOAN PAYABLE IN ACCORDANCE WITH NOTE.

      The Loan  shall be  payable  as  provided  for in the Note.  The Bank,  in
addition  to its legal right of setoff  shall be entitled to debit any  accounts
maintained by Borrower with the Bank for payment due under the Note.


4.    INTEREST

      The Loan shall bear interest  computed at a rate (the "Interest  Rate") as
set forth in the Note.


5.    SECURITY

      As  collateral  security for the payment of all present and future  debts,
obligations  and  liabilities  of the  Borrower to the Bank,  including  but not
limited to those set forth in the Note (collectively,  the  "Obligations"),  the
Borrower will grant to the Bank a security interest in all of the following (the
"Collateral"):

      (a)   a security interest in and  assignment  and  pledge of all  monies,
deposits  or  other  sums  now or  hereafter  held by the  Bank on  deposit,  in
safekeeping,  transit or otherwise, at any time credited by or due from the Bank
to the Borrower, or in which the Borrower shall have an interest;

      (b)   a first  mortgage  lien on the  property  located  89 Arkay  Drive,
Hauppauge,  New York  11788 evidence by the Mortgage;

      (c)   a second mortgage lien on the Premises; and

      (d)   an assignment of leases and rents from the Premises.






      From time to time,  the Borrower will execute and deliver to the Bank such
assignments,  agreements,  documents,  Uniform Commercial Code ("UCC") forms and
other papers as the Bank may request in connection with the granting, perfection
or continuation of the security  interests  granted  hereunder.  Borrower hereby
authorizes  the Bank to file at any time UCC  forms  signed  only by the Bank or
copies thereof or of this Agreement.

6.    CONDITIONS TO LOAN

      (a) Conditions Precedent. Borrower agrees that prior to or in any event no
later than the time of the  closing of the Loan  under this  Agreement,  it will
deliver to the Bank:

            (1)  Certified  copies  of  corporate  resolutions  authorizing  the
            execution and delivery of all Loan Documents;

            (2)  Certificate of good standing from the Secretary of State of New
            York and any other state or foreign  country where Borrower is doing
            business as to Borrower;

            (3)  Proof satisfactory to the Bank that the Borrower is authorized
            to do business in the State of New York;

            (4)  New York State franchise tax search as to Borrower;

            (5)  A Certificate of incumbency as to Borrower;

            (6) Certificates of insurance for any insurance required pursuant to
            this Agreement or any of the Loan Documents;

            (7)  UCC searches satisfactory to the Bank;

            (8)  Duly executed UCC financing statements;

            (9)  Duly executed Loan Documents;

            (10) An opinion  from counsel for the Borrower as to such matters as
            may be deemed appropriate by the Bank and its counsel;

            (11) Payment by the  Borrower of all costs and expenses  incurred by
            the Bank in establishing the Loan;







            (12)  An  approval  of  this  Loan   transaction   together  with  a
            subordination  of claim to the Premises and fixtures at the Premises
            to the  Bank  from IBJ  Schroeder  ("IBJ")  and  Chugai  Boyeki  Co.
            Ltd.("Chugai")in form satisfactory to the Bank;

            (13) A copy of the purchase  contract  for the Premises  executed by
            all parties.

      (b) Financial Reporting Requirements. The Borrower agrees as follows:

            (1) Borrower shall furnish annually to the Bank,  audited  Financial
            Statements of Assets and Liabilities,  together with Profit and Loss
            Statements and Borrower's  Form 10K, not later than ninety (90) days
            following the close of the Borrower's  Fiscal Year,  which Financial
            Statements  shall  be  prepared  on  a  consolidated   basis  by  an
            independent   Certified   Public   Accountant   (CPA),    reasonably
            satisfactory  to the Bank, in  accordance  with  Generally  Accepted
            Accounting  Principles(GAAP),   including  the  report/letter,   all
            statements and all footnotes.

            (2)  Annually,  within 90 days of its Fiscal Year End and  quarterly
            within 60 days of each quarter end, Borrower shall submit compliance
            certificates   setting   forth   Borrower's   calculations   of  and
            demonstrating  compliance with its Financial  Covenants  pursuant to
            this  Agreement  and  further  certifying  that,  to the best of its
            knowledge,  no  Event  of  Default  has  occurred  hereunder  or  is
            occurring  or, if a default or Event of Default  has  occurred or is
            occurring, then how same shall be cured within thirty (30) days. The
            compliance certificates must be duly executed by the Borrower.

            (3) Annually,  within 90 days of each fiscal year end and quarterly,
            within 60 days of each quarter end, Borrower shall submit management
            prepared consolidating financial statements.

            (4) The Borrower  shall,  within 60 days following each quarter end,
            furnish  to the  Bank  a copy  of its  Form  10-Q  and  consolidated
            Financial Statements.






            (5) Annually, Borrower shall submit its budget for the upcoming year
            including  projected Profit and Loss Statements and a Balance Sheet,
            said  budget to be  delivered  with  Borrower's  Year End  Financial
            Statements.

            (6) Borrower shall submit such other financial  documentation to the
            Bank as the  Bank  may  reasonably  require  so long as the  Loan is
            outstanding.

            (7) Failure to deliver  financial  information  within  fifteen (15)
            days of the date  specified  will  constitute  an  Event of  Default
            hereunder.

      (c) Financial Covenants.  The Borrower covenants and agrees that, from and
after the date of execution of this Agreement,  and so long as any amount may be
borrowed  hereunder or remains unpaid on account of the Note or is otherwise due
to the Bank under this Agreement or any related document,  Borrower shall comply
with each of the following  covenants which shall be calculated for the Borrower
based on a  non-consolidating,  stand-alone  basis  for Vicon  Industries,  Inc.
(without subsidiaries):

            (1)  Debt  Service  Coverage  Ratio.  As of the end of  each  fiscal
            quarter, the Debt Service Coverage Ratio (hereinafter defined) shall
            not be less than 1.0:1.0, to be tested on a rolling four (4) quarter
            basis.  "Debt Service  Coverage  Ratio" shall mean as at any date of
            determination  thereof (i) Annual EBITDA (hereinafter  defined),  to
            (ii) Debt Service (hereinafter defined) for the four (4) full fiscal
            quarters   ending   on  or   immediately   prior  to  such  date  of
            determination.

            "EBITDA" shall mean,  for any period,  with respect to the Borrower,
            determined  in accordance  with GAAP,  the sum of net income (or net
            loss)  for such  period  plus,  the sum of all  amounts  treated  as
            expenses for: (a) interest, (b) depreciation,  (c) amortization, and
            (d) all  accrued  taxes  on or  measured  by  income  to the  extent
            included  in the  determination  of such net  income  (or net loss);
            provided,  however, unless otherwise provided for in this Agreement,
            net income (or net loss) shall be computed  without giving effect to
            extraordinary losses or gains.







            "Debt  Service" shall mean,  with respect to the Borrower,  required
            payments,   unless  waived,  of  current   maturities  of  long-term
            indebtedness  (exclusive of any refinancings and rescheduled current
            maturities) and interest expense, all of the foregoing calculated as
            at any date of determination thereof by reference to the immediately
            preceding  four (4) full fiscal  quarters  ending on or  immediately
            prior to such date of determination.

            (2) Maximum  Indebtedness  to Net Worth Ratio. As of the end of each
            fiscal quarter  commencing  March 31, 1998, the  Indebtedness to Net
            Worth Ratio  shall not exceed  2.5:1.0.  "Indebtedness  to Net Worth
            Ratio"  shall  mean  on  any  date  for  which  the  same  is  to be
            determined,  the ratio of (i)  indebtedness of the Borrower less the
            amount of  1)contingent  liabilities  incurred due to the Borrower's
            outstanding   Letters  of  Credit  under  the  IBJ  Loan   Agreement
            (hereinafter   defined),  and  2)operating  leases  permitted  under
            Borrower's  current or any future Loan Agreement or Credit Agreement
            with IBJ  Schroeder  (the "IBJ Loan  Agreement"),  to (ii) Net Worth
            determined as at such date.

            (3)  Net  Income.  Net  Income  shall  not be less  than  $0  (which
            represents  losses),  for each fiscal quarter throughout the term of
            the Loan.  "Net Income" shall mean for any period for which the same
            is to be determined, the consolidated net income of the Borrower and
            its subsidiaries calculated in accordance with GAAP.

            (4) Cross  Default with  financial  covenants  set forth in IBJ Loan
            Agreement. Any default by Borrower of any of its financial covenants
            set forth in the IBJ Loan Agreement or in any  subsequent  agreement
            executed by Borrower in connection  with any refinancing of the loan
            evidenced by the IBJ Loan  Agreement  shall  constitute  an event of
            default under this Loan Agreement.






      Notwithstanding  anything to the contrary herein, upon the written request
of Borrower to the Bank,  (i) the Debt  Service  Coverage  Ratio set forth above
shall be  increased  to  1.3:1.0 to be tested as set forth  above,  and (ii) the
Maximum Indebtedness to Net Worth Ratio, Net Income, and Cross Default financial
covenants set forth above shall be released  PROVIDED Borrower has complied with
all of the following:

            (1) The Loan to Value Ratio must be  decreased to  sixty-five  (65%)
      percent  or   less(either   by  normal   amortization   and/or  a  partial
      prepayment);

            (2)  Borrower  has  provided a new  appraisal of the Premises to the
      Bank evidencing a Loan to Value Ratio of sixty-five  (65%) percent or less
      prepared by a Bank  approved  appraiser  and in form  satisfactory  to the
      Bank;
            (3) Borrower is not in default  under any  financial  covenants  set
      forth in the IBJ Agreement; and

            (4) Borrower is not in default under any of the Loan Documents.

7.    REPRESENTATIONS AND WARRANTIES

      The Borrower represents and warrants that:

      (a) The Borrower is a corporation  duly  organized and existing  under the
laws of the State of New York and is  authorized  to do business in the State of
New York and, that it has full corporate  power to execute this  Agreement,  the
Note and all other Loan  Documents  and do all things  required of it hereunder,
and that the  Borrower's  main office for doing  business is as indicated at the
beginning of this Agreement;

      (b)   The Borrower  maintains offices at the following  location(s): 
89 Arkay Drive,  Hauppauge,  New York 11788;

      (c) The  Borrower's  most recent  financial  statement as submitted to the
Bank fairly represents the Borrower's financial condition as of the dates shown;
that the Borrower is the owner of all of the assets and property as shown in the
financial statement, subject to no liens, encumbrances or charges whatever other
than as set forth in said  financial  statement,  and that the  Borrower  has no
liabilities other than shown on said financial statement;

      (d) The  Borrower  is the owner of the  Collateral,  free and clear of any
liens, claims or rights of any other party, except as listed in Schedule A;

      (e)  There  is  no  action,  litigation,  suit,  proceeding,   inquiry  or
investigation,  at law or in equity, or before or by any court,  public board or
body,  pending,  threatened against or affecting the Borrower which involves the
possibility of materially adversely affecting the property, business, profits or
conditions (financial or otherwise) of the Borrower;






      (f) The  Borrower  has filed  all  required  federal,  state and local tax
returns and has paid all taxes shown on such returns as they become due;

      (g) The  execution  and  delivery  of this  Agreement,  and all other Loan
Documents  will not  violate any  provision  of this  Agreement  or of any other
agreement or  instrument  to which the Borrower is a party for which  waivers of
same have not been obtained;

      (h) All necessary  corporate action to authorize the Borrower's entry into
this  Agreement and the execution of the Loan  Documents has been taken and that
the Loan  Documents  when  executed by the  Borrower  shall be valid and binding
obligations of the Borrower enforceable in accordance with their terms;

      (i) The execution,  delivery and  performance of the Loan  Documents,  the
consummation of the  transactions  therein  contemplated and compliance with the
provisions  of each by the  Borrower  does not and will not (i)  conflict  with,
violate  or  result  in a  breach  of any  of the  terms  or  provisions  of the
certificate of  incorporation  or by-laws of the Borrower,  (ii) require consent
which has not hereto been  received or will result in a breach or default of any
credit  agreement,  indenture,  purchase  agreement,  mortgage,  deed of  trust,
commitment, guaranty agreement, or any other instrument to which the Borrower is
a party,  or by which the Borrower may be bound or affected for which waivers of
same have not been obtained, or (iii) conflict with or violate any existing law,
rule,  regulation,  judgment,  order or decree of any  government,  governmental
instrumentality,  or court,  domestic or foreign,  having  jurisdiction over the
Borrower or any of its properties;

      (j) The Borrower possesses all licenses, trademarks, trademark rights, and
tradenames  which are required for the conduct of its business  without conflict
with the rights of others.


8.    NEGATIVE COVENANTS

      While the Loan remains outstanding,  the Borrower agrees that it will not,
without prior written consent of the Bank:

      (a) Merge or  consolidate  with any other  person,  firm,  corporation  or
business if (i) Borrower is not the surviving corporation, or (ii) the surviving
entity has a lower credit rating than Borrower; or

      (b) Sell, lease, assign,  transfer or otherwise dispose of any significant
assets  or  property,  except in the  normal  course of  business  as  presently
conducted, and for full and adequate consideration.







9.    AFFIRMATIVE COVENANTS

      While the Loan remains outstanding, the Borrower agrees that it will:

      (a)   Make all payments required under the Note;

      (b)  Furnish  the Bank  with  copies  of  Financial  Statements  and other
financial documentation as set forth herein;

      (c) Pay and  discharge  any and all taxes,  assessments  and  governmental
charges  on the due date  thereof,  unless the same are being  contested  by the
Borrower  in good faith and  provided  such  contest  does not impair the Bank's
security;

      (d)  Timely  comply  with  all of the  terms  and  conditions  of the Loan
Documents;

      (e) Keep all of its property insured by insurance companies licensed to do
business in New York and in such other  state(s)  where the  property is located
against  loss or damage by fire or other risk usually  insured  against by other
owners or users of such properties in similar businesses under extended coverage
endorsement and against theft,  burglary, and pilferage together with such other
hazards  as the  Bank may  from  time to time  reasonably  request,  in  amounts
satisfactory  to the Bank.  The Borrower shall deliver the policy or policies of
such  insurance to the Bank. All such insurance  shall contain  endorsements  in
form  satisfactory  to the  Bank  providing  that  the  insurance  shall  not be
cancelable  except upon thirty  (30) days prior  written  notice to the Bank and
showing the Bank as a party  insured as its  interest  may appear.  The Borrower
shall  promptly  notify the Bank of any event or  occurrence  causing a material
loss or  decline  in value of  property  insured  or the  existence  of an event
justifying  a  material  claim  under any  insurance  and the  estimated  amount
thereof;

      (f) Keep the Bank fully  informed  as to all  matters  that may affect the
Loan;

      (g)  Preserve  and maintain its assets and keep the same in good order and
condition;

      (h) If the Bank so reasonably requires, provide the Bank with an appraisal
or appraisals of the Premises subsequent to the closing of the Loan but not more
often than once every twelve (12) months except as otherwise set forth herein.

      All costs of such future appraisals shall be paid by the Borrower.







10.   DEFAULT

      Each of the following shall be an "Event of Default" under this Agreement:

      (a)  The occurrence of an Event of Default under the Note, any of the Loan
Documents; or

      (b)  Borrower  shall fail to perform any other  obligation  required to be
performed under this Agreement or any other Loan Document,  for thirty (30) days
after receipt of notice from the Bank of such failure; or

      (c) Any  warranty,  representation  or other  statement by or on behalf of
Borrower in any Loan Document or instrument  furnished in compliance  with or in
reference to any Loan  Document  proves in the Bank's  reasonable  opinion to be
false or misleading in any material respect; or

      (d)  Borrower  shall  generally  not be paying debts as they become due or
file a petition or seek relief under or take  advantage of any  insolvency  law;
make an assignment  for the benefit of creditors;  commence a proceeding for the
appointment  of a receiver,  trustee,  liquidator,  custodian or  conservator of
Borrower or of the whole or substantially  all of Borrower's  property or of any
collateral  pledged  as  security  for the Note;  or if  Borrower  shall  file a
petition or an answer to a petition under any chapter of the  Bankruptcy  Reform
Act of 1978, as amended (or any successor statute  thereto),  or file a petition
or seek relief under or take  advantage  of any other  similar law or statute of
the United  States of America,  any State  thereof,  or any  foreign  country or
subdivision thereof; or

      (e) A Court of competent  jurisdiction  shall enter an order,  judgment or
decree appointing or authorizing a receiver, trustee,  liquidator,  custodian or
conservator  of  Borrower  or of the whole or  substantially  all of  Borrower's
property,  or any portion of the collateral pledged as security for the Note, or
enter an order for  relief  against  Borrower  in any case  commenced  under any
chapter of the  Bankruptcy  Reform Act of 1978,  as  amended  (or any  successor
statute thereto),  or grant relief under any other similar law or statute of the
United  States  of  America,  any  State  thereof,  or any  foreign  country  or
subdivision  thereof and the same is not stayed or discharged  within sixty (60)
days of entry; or

      (f) Under the  provisions  of any law for the relief or aid of debtors,  a
court of competent jurisdiction or a receiver, trustee, liquidator, custodian or
conservator  shall assume custody or control or take possession from Borrower of
all or substantially all of Borrower's property or any portion of any collateral
pledged as security for the Note; or






      (g) There is  commenced  against  Borrower any  proceeding  for any of the
foregoing relief or if a petition is filed against Borrower under any chapter of
the  Bankruptcy  Reform  Act of  1978,  as  amended  (or any  successor  statute
thereto),  or under any other  similar  law or statute  of the United  States of
America,  any State thereof, or any foreign country or subdivision  thereof, and
such proceeding or petition remains  undismissed for a period of sixty (60) days
or if Borrower by any act indicates  consent to,  approval of or acquiescence in
any such proceeding or petition; or

      (h) The Bank receives a notice to creditors with regard to a bulk transfer
by Borrower pursuant to Article VI of the Uniform Commercial Code; or

      (i) In the event that (a) any entity  then having a lesser  credit  rating
than Borrower shall acquire  beneficial  ownership of a majority interest in the
voting  stock of Borrower,  or (b) the Borrower  shall merge with such an entity
and shall not be the surviving corporation; or

      (j) Borrower shall fail to satisfy a final judgment entered against it for
the payment of money within  thirty (30) days from entry or  affirmance,  and in
any event, prior to any execution or enforcement thereof; or

      (k)  Borrower  shall be in default  under any other  agreement or document
with the Bank.






      If an Event of Default  occurs or, if an event which,  but for the passage
of time,  the giving of notice or both (unless  same is required  under the Loan
Documents),  would constitute an Event of Default, the Bank may declare the Loan
and any other  Obligations to be immediately  due and payable and the Bank shall
have, in addition to all other rights and remedies  including those set forth in
the Mortgage and in the Assignment of Leases and Rents, those of a secured party
under the Uniform  Commercial  Code of the State of New York  including  without
limitation, the right to institute foreclosure proceedings and the right to take
possession  of all  Collateral,  and for that  purpose  the Bank may  enter  the
Premises  where the  Collateral  may be situated  and remove the same  therefrom
without legal process.  At the request of the Bank, if applicable,  Borrower (i)
will  disclose the exact  location of any  personal  property  Collateral,  (ii)
assist in the collection of any personal property Collateral, and (iii) assemble
any personal  property  Collateral at a place to be designated by the Bank.  The
requirements of reasonable notice shall be met if the Bank gives to the Borrower
at least five (5) days prior written  notice of the time and place of any public
sale of any personal property  Collateral or if the time after which any private
sale or any  other  intended  disposition  is to be  made.  For the  purpose  of
realizing  the Bank's  rights in the  Collateral,  the Bank may  endorse  notes,
checks, drafts, money orders,  documents of title or other evidences of payment,
shipment or storage or endorse any other forms of Collateral on behalf of and in
the  name of  Borrower  and may  compromise  and  settle  claims  and  otherwise
generally deal with the Collateral. The Borrower hereby irrevocably appoints the
Bank as its  lawful  attorney-in-fact  with full power of  substitution  for the
Borrower in its name,  place and stead to take all actions  with  respect to the
Collateral permitted hereunder.

      Any sale or  disposition  of  Collateral  by the  Bank  shall be done in a
commercially   reasonable   manner.  All  decisions  with  respect  to  sale  or
disposition of the Collateral shall be made solely by the Bank.

      All proceeds received from the disposition and/or collection of Collateral
shall be applied by the Bank, in its  discretion and in such order as it elects,
to (i) the payment of all expenses  incurred in connection  with the sale and/or
collection of the  Collateral,  including  reasonable  attorney's fees and other
expenses and disbursements and the reasonable expenses of retaking,  collecting,
holding,  preparing  for  sale,  sale and the like and (ii) the  payment  of all
interest, principal and other sums due under the Loan Documents.


11.   INDEMNIFICATION

      The Bank by virtue of the pledge and  assignment  of the  Collateral to it
hereunder shall not be deemed to have assumed the Borrower's  obligations  under
the Collateral or be  responsible  for servicing the Collateral and the Borrower
shall and does hereby agree to defend,  indemnify  and hold the Bank harmless of
and from any and all liability of any name, nature or kind which may arise or be
alleged  to  have  arisen  as a  result  of the  pledge  and  assignment  of the
Collateral to the Bank hereunder.


12.   FEES AND EXPENSES

      All filing fees, recording costs and all other fees or charges,  including
reasonable  attorneys  fees,  incurred  by  the  Bank  in  connection  with  the
preparation of this Agreement and the other Loan Documents and in perfecting and
defending  the  Bank's  security  interests  in the  Collateral  and its  rights
hereunder,  shall be deemed to be sums payable under the Note and secured by the
Collateral and shall be paid by the Borrower on demand.


13.   GENERAL PROVISIONS






      (a) Inspection. The Bank may examine the Borrower's books and records with
respect to the Collateral  and this Agreement at all reasonable  times to insure
compliance  with the terms of the Loan  Documents.  Additionally,  the  Borrower
hereby agrees to allow the Bank,  its personnel and  representatives,  access to
the Borrower's books and records for the purpose of conducting  periodic audits.
Such audits shall be done as frequently as the Bank may reasonably  determine is
necessary and Borrower shall pay the Bank an audit fee of $650.00 per audit,  it
being understood that audit fees shall be charged only at such times as an Event
of Default has occurred and is continuing.

      (b) Notice To Others.  The Bank may,  upon the  occurrence  of an Event of
Default or upon the  occurrence of an event which,  but for the passage of time,
the giving of notice or both unless same is required  under the Loan  Documents,
would  constitute  an Event of  Default,  notify  any  party  obligated  to make
payments  to  Borrower  under any  lease of the  Premises  or  portion , to make
payment directly to the Bank.

      (c) Paragraph  Headings.  Paragraph headings are for convenience and shall
not operate to change or modify any of the terms of this Agreement.

      (d) Partial  Invalidity.  The invalidity or unenforceability of any clause
or part of this  Agreement  or any other  Loan  Documents  shall not  affect the
validity or enforceability of any other clause or part hereof.

      (e)  Waiver.  Any  waiver  by the Bank of any  breach  or of any  Event of
Default  shall not be deemed a waiver of any other breach or Event of Default of
the same or any other provision.

      (f) Rights  Cumulative.  All of the Bank's  rights,  remedies  and powers,
whether  pursuant to this  Agreement  or any other Loan  Document  or  otherwise
("Rights")   shall  be  cumulative  and  may  be  exercised   independently   or
concurrently,  partially or wholly, and as often as the Bank deems expedient. No
delay or omission in exercising such Right or any other Right shall be construed
as a waiver  or  acquiescence  to an Event of  Default.  Waiver of a Right or an
Event of Default on any one occasion  shall not bar or be a waiver of such Right
or Event of Default on any future occasion.

      (g)  Governing  Law. This  Agreement  shall be governed by the laws of the
State of New York.

      (h) Waiver Of Jury Trial. The parties hereto hereby waive trial by jury in
any litigation in any court with respect to, in connection  with, or arising out
of this  Agreement,  any other Loan Document or the Loan,  or any  instrument or
document  delivered in connection  with the Loan,  or the validity,  protection,
interpretation, collection or enforcement thereof, or any other claim or dispute
howsoever arising between the Borrower and the Bank.






      (i) Notices. All notices and communications  under this Agreement,  except
those  communications  permitted  by the terms of this  Agreement  to be made by
telephone,  shall be: (i)  personally  delivered or (ii) given by  registered or
certified mail, postage prepaid, return receipt requested, or (iii) forwarded by
overnight  courier  service,   in  each  instance  addressed  to  the  addresses
hereinafter set forth, or such other addresses as the parties may for themselves
designate  in writing as provided  herein for the purpose of  receiving  notices
hereunder.  All notices  shall be in writing and shall be deemed  given,  in the
case of notice by personal  delivery,  upon actual delivery,  and in the case of
appropriate mail or courier  service,  upon deposit with the U.S. Postal Service
or delivery to the courier service as follows:

            If to Bank:

            KeyBank National Association
            1377 Motor Parkway
            Islandia, New York 11788
            Attn:  James V. Maiorino, Vice President

            If to Borrower:

            Vicon Industries, Inc.
            89 Arkay Boulevard
            Hauppauge, New York 11788
            Attn:  Kenneth M. Darby, President

      (j) Bank Approval. All Loan Documents and all other documents delivered by
Borrower to the Bank must be acceptable to the Bank and its Counsel.

      (k)  Entire  Agreement.  This  Agreement  and  the  other  Loan  Documents
constitute  the  complete  agreement  of the parties with respect to the subject
matters   referred  to  herein  and  supersede  all  prior  or   contemporaneous
negotiations, promises, covenants, agreements or representations of every nature
whatsoever  with respect  thereto,  all of which have become  merged and finally
integrated  into this  Agreement.  Each of the parties  understands  that in the
event of any subsequent litigation, controversy or dispute concerning any of the
terms, conditions or provisions of this Agreement, neither shall be permitted to
offer or introduce any oral evidence  concerning any other oral promises or oral
agreements  between the parties relating to the subject matter of this Agreement
not included or referred to herein and not reflected by a writing  signed by the
Bank.

      (l)  Counterparts.  This Agreement may be executed in counterparts and any
combination or group of counterparts  bearing, in the aggregate,  the signatures
of all of the  parties  hereto  shall be deemed  one  Agreement  and  sufficient
execution of the within Agreement.





      IN WITNESS WHEREOF, the parties have executed this Agreement as of the day
and year first above written.


VICON INDUSTRIES, INC.                             KEYBANK NATIONAL ASSOCIATION

By:____________________                            By:_________________________
      Kenneth M. Darby                                     James V. Maiorino
      President                                            Vice President


STATE OF NEW YORK       )
                        )  SS.:
COUNTY OF SUFFOLK       )

        On the 29th day of January,  1998,  before me personally came KENNETH M.
DARBY, to me known,  who being by me duly sworn,  did depose and say that he has
an address c/o Vicon Industries,  Inc. 89 Arkay Drive, Hauppauge, New York; that
he is the President of VICON INDUSTRIES,  INC., the corporation described in and
which executed the foregoing instrument, and he signed his name thereto by order
of said corporation.


                                            --------------------------
                                            NOTARY PUBLIC

STATE OF NEW YORK   )
                    )  SS.:
COUNTY OF SUFFOLK   )

     On the 29th day of  January,  1998,  before  me  personally  came  JAMES V.
MAIORINO,  to me known,  who being by me duly sworn,  did depose and say that he
has an address  located c/o KeyBank  National  Association,  1377 Motor Parkway,
Islandia, New York; that he is a Vice President at KEYBANK NATIONAL ASSOCIATION,
the  banking   association   described  in  and  which  executed  the  foregoing
instrument,  and he signed his name  thereto by like order of said  association.

                                            --------------------------
                                            NOTARY PUBLIC









                                 SCHEDULE "A"

                       PRIOR LIENS, CLAIMS OR RIGHTS OF
                          OTHERS IN AND TO COLLATERAL



             IBJ Schroeder Business Credit Corporation - security
                      interest in accounts and equipment

                   Chugai Boyeki (America) Corp. - security
                      interest in accounts and equipment