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Image quality Newt vs. SCT

Started by danielfreas, 04/04/2002 01:16AM
Posted 04/04/2002 01:16AM Opening Post
My only scope right now is an 8" dobsonian that performs wonderfully but isn't capable of any real photography. So I've been thinking off and on lately about trading it plus some cash for an 8" SCT that I can take some pictures with. If the amount of cash wasn't important I'd just shell out the bucks for a 10" LX200 but that's not an option...

Anyway I've been looking at some SCTs and from what I see that central obstruction sure looks a lot bigger than the one in my dob. How much am I going to loose at the eyepiece when I make this switch? Will sharpness suffer? Does light gathering ability decrease to any significant extent?

The two obvious advantages of the switch will be the ability to do some astrophotography and a less bulky scope but what are the other pros and cons that I may not have thought of yet?

---Daniel