Thread: Imaging with different focal ratios
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Old 17-01-2008, 12:44 AM
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EzyStyles (Eric)
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EzyStyles is offline 		 
Join Date: Jan 2006
Location: Melbourne, Victoria
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Imaging with different focal ratios
Hi guys,

I have this stupid question which is bothering me. Would imaging lets say a 10" F/5 reflector + 2 x barlow making it F/10 will be the same as a 10" F/10 cassagrain?
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