Quote:Are field flatteners/coma correctors worth getting? If so, which brand?
Do you guys have any problems with vignetting, even using 2 inch adapters? Do you use extension tubes?
Any recommendations on which t-adapters to use to make sure they don’t vignette the full frame sensor?
What is a good light pollution filter to use with DSLR cameras? Particularly for deep sky objects like Andromeda and nebulas.
Astro photo processing instructions here...