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Originally Posted by hoxygt
OK thanks for more food for thought :-)
So regarding the refractors how would say the themoon, Jupiter and Saturn look compared to the 5" dob all other conditions being equal?
Also the 130 by 650 might have less mag but let's in more light - can this be made up for with a Barlow or narrower field of view eye piece?
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If it's planets you want, the 90mm refractor may be better. Refractors can be pushed to higher magnifications than reflectors. For deep sky, comets etc the 5" dob would be a little better. It depends what you want to view most.
Both are small scopes and both would be outclassed in every respect by a good 6 inch f8 dob.