Focusers, Filters, Barlows etc..
Moderators: Sean.Wang, Sam
- Posts: 9
- Joined: Wed Jan 23, 2019 6:33 am
I recently purchased the ASI1600MM Pro (cooled) camera including the 36mm Ha, Oii and Siii narrow band and LRGB filters. Are all these filters parfocal?
- Posts: 2768
- Joined: Thu Feb 21, 2013 2:51 am
still have some very small offset