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ZERN merit function


Adrian_J

The ZERN merit function seems to only give the Zernike values of the Image surface, but the Zernike coefficients are reported in the Wavefront Analysis table for ANY surface. I want to be able to extract the Zernike values for a surface other than the Image surface which are clearly available. How do I do it and represent it in the Merit Function Editor. The ZERN fucntion doesn’t have a parameter which will specify the surface of interest. 

Would appreciate help if anyone has tried to do this.

 

Adrian_J

Best answer by Mark.Nicholson

Put an IMSF operand before the ZERN.

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Mark.Nicholson
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Put an IMSF operand before the ZERN.


Adrian_J
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  • July 22, 2022

Hi Mark,

Thanks very much for this! It has saved me a lot of time messing around trying to find alternative methods with macros.  Much appreciated!

Best wishes,

 

Adrian


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