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See also HowToRemoveComa

I got istructions to apply a coma correction movement on the Hexapod from J. C. Guerra by e-mail (8 May 2014 00:42): 

To apply a coma of magnitude C, an offset must be applied to both the current X position and RY tilt of the hexapod (or Y position and RX tilt):

·       deltaX = +C * 10microns
·       deltaRY= +C arcsec

To correct coma along the other axis:
·       delta Y= +C * 10 microns
·       delta RX = -C arcsec
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Topic revision: r2 - 28 Jun 2015, LorenzoBusoni
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