COGNEX CORPORATION STOCK OPTION AGREEMENT

1.

The Company desires to afford the Optionee an opportunity to purchase shares of its common stock ($0.002 par value) (“Shares”) to carry out the purposes of the Cognex Corporation 2007 Stock Option and Incentive Plan (the “Plan”).

2.

Section 2(d) of the Plan provides that each option is to be evidenced by an option agreement, setting forth the terms and conditions of the option.

1.

Grant of Option

2.

Purchase Price

3.

Time and Manner of Exercise of Option

3.1

The Option shall not be exercisable prior to [date]. Thereafter, the Option shall only be exercisable, in the amounts and on or after the vesting dates as follows:

Shares

Becoming Available

On or After

for Exercise

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Notwithstanding the foregoing, the Option shall not be exercisable until such time that the Optionee and the Company have duly executed all of the agreements required at the time of grant of the Option by the Company for 1) full-time employment by the Company, if the Optionee is an employee of the Company, including, but not limited to, the Company’s Employee, Invention, Non-Disclosure and Non-Competition Agreement, or 2) consultancy by the Company, if the optionee is a consultant to the Company, including, but not limited to, the Company’s Consultant Agreement, or 3) directorship of the Company, if the Optionee is a director of the Company, including, but not limited to, the Company’s Confidentiality and Non-Competition Agreement.

[ Included for Directors/Chief Financial Officer : In the event of a corporate transaction, including a merger or reorganization, whereby the holders of the outstanding shares of common stock of the Corporation before the transaction fail to have a beneficial interest of 51 percent or more of the shares of outstanding common stock of the Corporation or its successor (or its ultimate parent) after the consummation of the transaction, all your outstanding options to acquire shares of common stock of the Corporation shall become vested and fully exercisable immediately prior to the consummation of the transaction.]

[ Included for Other Executive Officers : In the event of a corporate transaction, including a merger or reorganization, whereby the holders of the outstanding shares of common stock of the Corporation before the transaction fail to have a beneficial interest of 51 percent or more of the shares of outstanding common stock of the Corporation or its successor (or its ultimate parent) after the consummation of the transaction, and within 12 months of the consummation of the transaction, your employment is involuntarily terminated, all your outstanding options to acquire shares of common stock of the Corporation shall become immediately vested and fully exercisable. For purposes hereof, your employment is considered to be involuntarily terminated if the Corporation or its successor terminates your employment without Cause or you resign your employment for Good Reason. The term “Cause” shall mean (i) your willful and continued failure to perform substantially your duties with the Corporation (other than any failure resulting from incapacity due to physical or mental illness), after a written demand of performance is delivered to you by the Board or the Chief Executive Officer of the Corporation which identifies the manner in which the Board or Chief Executive Officer believes that you have not substantially performed your duties; or (ii) your willful engagement in illegal conduct or gross misconduct which is materially injurious to the Corporation. The term “Good Reason”’ shall mean (i) a material diminution in your duties or responsibilities, excluding for this purpose any diminution related solely to the Corporation ceasing to be a reporting company for purposes of the Securities Exchange Act of 1934, or (ii) the Corporation’s requiring you to be based at any office or location that is more than fifty (50) miles from your current office.]

3.2

To the extent that the right to exercise the Option has accrued and is in effect, the Option may be exercised in full at one time or in part from time to time, by giving written notice, signed by the person or persons exercising the Option, to the Company, stating the number of Shares with respect to which the Option is being exercised, accompanied by payment in full of the Purchase Price for such Shares, which payment may, at the Optionee’s request and in the Company’s sole discretion, be in whole or in part