Exhibit 99.1

          Cognex Corporation Announces Resignation of James Hoffmaster

        James F. Hoffmaster, who held the position of President and Chief
                   Operating Officer, has resigned from Cognex

    NATICK, Mass.--(BUSINESS WIRE)--March 27, 2007--Cognex Corporation
(NASDAQ: CGNX) announced today that James F. Hoffmaster, Cognex's
President and Chief Operating Officer, resigned today to pursue other
interests. Dr. Robert J. Shillman, Cognex's Chief Executive Officer
and Chairman, will immediately assume Mr. Hoffmaster's day-to-day
responsibilities until a successor is found.

    "Jim is a highly intelligent, personable and energetic
professional," commented Dr. Robert J. Shillman, Cognex's Chief
Executive Officer and Chairman. "During his six years at Cognex, he
made a number of valuable contributions including reorganizing the
company into business units, putting in place product design and
manufacturing processes that improved the quality of our products, and
he successfully closed the DVT acquisition in 2005 and integrated its
operations into our company. We thank him for his accomplishments, and
we wish him all the best in his future endeavors."

    Mr. Hoffmaster joined Cognex in June 2001 as Executive Vice
President and Chief Operating Officer, and he was promoted to
President in August 2004.

    Cognex Corporation designs, develops, manufactures, and markets
machine vision sensors and systems, or devices that can "see." Cognex
vision sensors are used in factories around the world to automate the
manufacture of a wide range of items and to assure their quality.
Cognex is the world's leader in the machine vision industry, having
shipped more than 350,000 machine vision systems, representing over $2
billion in cumulative revenue, since the company's founding in 1981.
In addition to its corporate headquarters in Natick, Massachusetts,
Cognex also has regional offices and distributors located throughout
North America, Japan, Europe, Asia, and Latin America. Visit Cognex
on-line at http://www.cognex.com/.

    CONTACT: Cognex Corporation
             Investor Relations Contact:
             Susan Conway, 508-650-3353
             Director of Investor Relations
             susan.conway@cognex.com
             or
             Media Relations Contact:
             Robin Pratt, 508-650-3384
             Senior Manager, Corporate Communications
             robin.pratt@cognex.com