Search found 3 matches

by moshc
Thu Jun 11, 2020 12:57 am
Forum: Solar Astronomy Shop and Swap
Topic: For Sale: Quark Combo body with no etalon.
Replies: 0
Views: 183

For Sale: Quark Combo body with no etalon.

This is a Quark Combo body. It has the blocking filter but no etalon inside (it was damaged and thus removed). I figure someone can still use the body & blocking filter to add versatility to their standard Quark. The bottom half of the unit with blocking filter can be used to convert a standard Quar...
by moshc
Sat Jul 20, 2019 3:32 am
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: New Quark
Replies: 4
Views: 4257

Re: New Quark

Hi George, Great report thanks for sharing! Do you think this replacement Quark is much better than the older one in bandwidth or was it mostly the seeing? Do you think the contrast is closer to a single stack view or a DS view? I think I have a pretty good Quark (I agree, amazing instrument) and wo...
by moshc
Sat Jun 08, 2019 8:15 pm
Forum: Commercial Solar Filters/Cameras/Hardware
Topic: Recent Coronado SM90 quality & how much does a SM90 weigh?
Replies: 1
Views: 1820

Recent Coronado SM90 quality & how much does a SM90 weigh?

Does anyone have any experience with the quality of recent Coronado SM90 filters? I'm considering getting into a double stack SM90 at some point in the future for my scope and would be helpful to know of what to watch out for in recent production. Also can someone let me know how much one SM90 weigh...