EXHIBIT 31.2

I,
Jeffrey A. Bertelsen, certify that:

1.     I
have reviewed this Quarterly Report on Form 10-Q of CyberOptics Corporation.

2.
     Based on my knowledge, this report does not
contain any untrue statement of a material fact or omit to state a material
fact necessary to make the statements made, in light of the circumstances under
which such statements were made, not misleading with respect to the period
covered by this report;

3.
     Based on my knowledge, the financial statements,
and other financial information included in this report, fairly present in all
material respects the financial condition, results of operations and cash flows
of the registrant as of, and for, the periods presented in this report;

4.
     The registrants other certifying officer(s) and
I are responsible for establishing and maintaining disclosure controls and
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal control over financial reporting (as defined in Exchange Act Rules
13a-15(f) and 15d-15(f)) for the registrant and have:

| |                                                                                                                                                                                                                                                                                                                                                                                                          
| | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | (a)          Designed such
 disclosure controls and procedures, or caused such disclosure controls and
 procedures to be designed under our supervision, to ensure that material
 information relating to the registrant, including its consolidated
 subsidiaries, is made known to us by others within those entities,
 particularly during the period in which this report is being prepared;         
| |                                                                                                                                                                                                                                                                                                                                                                                                          
| | (b)          Designed such
 internal control over financial reporting, or caused such internal control
 over financial reporting to be designed under our supervision, to provide
 reasonable assurance regarding the reliability of financial reporting and the
 preparation of financial statements for external purposes in accordance with
 generally accepted accounting principles;                
| |                                                                                                                                                                                                                                                                                                                                                                                                          
| | (c)          Evaluated the
 effectiveness of the registrants disclosure controls and procedures and
 presented in this report our conclusions about the effectiveness of the
 disclosure controls and procedures, as of the end of the period covered by
 this report based on such evaluation; and                                                                                                     
| |                                                                                                                                                                                                                                                                                                                                                                                                          
| | (d)          Disclosed in
 this report any change in the registrants internal control over financial
 reporting that occurred during the registrants most recent fiscal quarter
 (the registrants fourth fiscal quarter in the case of an annual report) that
 has materially affected, or is reasonably likely to materially affect, the
 registrants internal control over financial reporting; and

5.     The
registrants other certifying officer(s) and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to the
registrants auditors and the audit committee of the registrants board of
directors (or persons performing the equivalent functions):

| |                                                                                                                                                                                                                                                                                            
| | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | (a)           All
 significant deficiencies and material weaknesses in the design or operation
 of internal control over financial reporting which are reasonably likely to
 adversely affect the registrants ability to record, process, summarize and
 report financial information; and
| |                                                                                                                                                                                                                                                                                            
| | (b)           Any fraud,
 whether or not material, that involves management or other employees who have
 a significant role in the registrants internal control over financial
 reporting.                                                                                                

Date: November
5, 2008

| |                                  
| | ---------------------------------
| | /s/ Jeffrey
 A. Bertelsen        
| |                                  
| | Signature                        
| | Name:
 Jeffrey A. Bertelsen      
| | Title:   Chief
 Financial Officer

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