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Wow that was a confusing read. So let me try to get this straight. The Bintel and Andrews are the same Guan Sheng items, right? The 2 different part numbers shown on the Andrews sight for both the 10" and 12" Dob scopes is one is a plate glass lens where as the other more expensive is for a BK7 lens? This would explain the 'BK7' in the part number. Obviously the BK7 is a better option so I suppose I should look more towards this.
Are the focusers different or not? Quite confused here. And is there an option of a cooling fan or not? So much conflicting information????
Also what is centre spotted?
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