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Originally Posted by Gama
Buy an Eye opener and the 2" adapter for the telescope, as this will help reduce Vignetting
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Unless meade have changed the visual backs of the 8" Rs from the standard LX200 these can't be used. I know as I wanted to get one
The smallest scope the Peterson Eyeopener will work on is the 10" as the 8" doesn't have a removable visual back.
Also if you want to do separate "HA RGB color Filter Exposure" (I am reading this as individual red exposures, green exposures and blue exposures) you won't be able to do it with a DSLR unless you get one with a monocrhrome chip in it. I don't think they are available unfortunately. In this case you will be restricted to dedicated astronomical CCD cameras with filters. Still there are some very good ones available in your price range. You just won't be able to use it for "normal" photography"
Can you clarify if by "HA RGB color Filter Exposure" you meant the separate exposures I mentioned above?