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Thanks for your info fellas.
It seems things are brighter in a 10 inch and may let you see a few additional things than an 8 inch. I've got a nagging feeling that if I go with an 8 inch I'll soon be regretting not getting a 10 inch. Oh, my brain is hurting! Who actually has a 10 inch collapsible anyway?
I've been thinking a lot about how I could overcome the weight issue with a 10 inch. I could attach wheels to the base, I could make up a small cart to move eveything from a car to an abservation point etc etc etc. It's possible to do that.
My concern still remains over the focal ratio of 4.7. From what I gather, you need a good collimator to correctly align the mirrors before observing. However some reviews I've read say that coma still exists and that many people with scopes with 4.5 to 5 usually replace their eyepieces. I guess better eyepieces would correct coma? How bad is the coma on these things and can it be easily overcome or is it a nagging problem?
Cheers
Jowel
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