Been setting up the CDK12.5 with initial collimation and tests.
Collimated and moved the same star to the 4 corners of the APS-C sized chip.
Center looks good, poisson dot visible.
4 corners have aberrations when defcosed (outward), looks ok when in focus.
I am assuming this is normal (not sure)?
Edited by Rouzbeh, 04 May 2021 - 12:34 PM.