AMENDMENT TO CONVERTIBLE PROMISSORY NOTE

          AMENDMENT TO SECURED  CONVERTIBLE  PROMISSORY NOTE (this "Agreement"),
dated as of August 30,  2002,  by and  between  eMAGIN  CORPORATION,  a Delaware
corporation (the "Borrower") and Jack Rivkin (the "Lender"), each a party to the
Secured Note Purchase Agreement (the "Note Purchase  Agreement") entered into as
of November  27, 2001 and a Secured  Convertible  Promissory  Note (the  "Note")
dated  November 27, 2001.  All  capitalized  terms used herein and not otherwise
defined herein shall have the respective  meanings provided to such terms in the
Note.

                              W I T N E S S E T H :

     WHEREAS, the parties wish to amend the Note to extend its maturity date;

     NOW,  THEREFORE,  in consideration of the mutual covenants set forth herein
and other good and valuable consideration,  the receipt and sufficiency of which
are hereby  acknowledged,  the parties  hereto,  intending to be legally  bound,
hereby agree as follows:

                                   ARTICLE ONE

                                AMENDMENT TO NOTE

     SECTION 1.1 Amendment to Note. By executing  this  Agreement,  the Borrower
and the Lender hereby agree and acknowledge that Section 1 of the Note is hereby
amended  by  deleting  "August  30,  2002"  and  inserting  in the place of such
deletion "September 30, 2002."

                                   ARTICLE TWO

                                  MISCELLANEOUS

          SECTION 2.1 Counterparts.This  Agreement may be executed in any number
of counterparts  and by the different  parties hereto on separate  counterparts,
each of which  counterparts when executed and delivered  (including  delivery by
way of  facsimile)  shall  be an  original,  but  all of  which  shall  together
constitute one and the same instrument.  A complete set of counterparts shall be
lodged with the Borrower.

          SECTION 2.2 Governing  Law. This  Agreement  shall be governed by, and
construed  and enforced in accordance  with,  the laws of the State of New York,
excluding conflict of law principles that would cause the application of laws of
any other jurisdiction.

          SECTION 3.3 Effective Date. This Agreement shall become effective (the
"Effective Date") as of the date first referenced above.

          SECTION 3.4 Effect of Amendment.  From and after the  Effective  Date,
the Note and all references to the Note pursuant to the Note Purchase  Agreement
and the other documents  referenced  therein shall be deemed to be references to
the Note as modified  hereby.


This Agreement is limited as specified and shall not constitute a  modification,
amendment,  acceptance  or waiver of any other  provision of the Note,  the Note
Purchase Agreement or any other document referenced therein or herein.

          SECTION 3.5 Headings. The article,  section and subsection headings in
this Agreement are for convenience  only and shall not constitute a part of this
Agreement  for any other  purpose and shall not be deemed to limit or affect any
of the provisions hereof.

          SECTION  3.6  Further  Assurances.  From  and  after  the date of this
Agreement,  upon the request of any party  hereto,  each party shall execute and
deliver such  instruments,  documents  and other  writings as may be  reasonably
necessary  or  desirable  to confirm and carry out and to  effectuate  fully the
intent and purposes of this Agreement.

                                    * * * * *


          IN  WITNESSES  WHEREOF,  the parties  hereto  have  caused  their duly
authorized  officers to execute and deliver this  Agreement as of the date first
above written.

                                     BORROWER:

                                     eMAGIN CORPORATION

                                     By:
                                        ----------------------------------------
                                        Name:
                                        Title:


                                     LENDER:

                                     Jack Rivkin

                                     -------------------------------------------