Thread: Are Longer Focal Length Refractors Making a Comeback??
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Old 31-10-2022, 08:50 PM
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Camelopardalis (Dunk)
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Camelopardalis is offline 		 
Join Date: Feb 2013
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Optically, doesn’t need to be a triplet for decent colour correction at that focal ratio…

Besides, wouldn’t a 200mm doublet be front-heavy enough
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