Quote:
Originally Posted by Startrek
I’ve used a Baader Mk3 cc in both my Canon 600D and cooled OSC 2600MC for my variety of newts and never noticed any curvature issues or Star shape issues
Only bad collimation, camera tilt , bad tracking and guiding have caused issues with star shape
First time I’ve heard a Baader Mk3 cc causing issues ??
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I also use a variety of spacers with my 2600MC camera with the Baader Mk 3 CC to achieve focus in my newts ( also Duoband filters in the mix as well )
Never had any “curvature “ issues as such ??