|
I use a 102mm f7 bosma achro refractor hard mounted to the tube rings on a 200mm f6 eq newt (its a 1970's cave optical scope) The CA is not noticable visually on stars and just a bit of blue fringing on the moon.
The pics are 20s at iso 3200 canon 1100d not moded.
Last edited by doppler; 18-09-2013 at 07:55 AM.
|