Thread: Skywatcher 200mm (8 inch) Newtonian on EQ5 mount
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Old 22-09-2010, 10:32 PM
Mountain_Wanderer
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Join Date: Jul 2010
Location: Australia
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Oh, and another Q for Chris...

In terms of focal length and focal ratio. Is an F/5 OK and reasonable? Have you noticed visual problems due to the low ratio?
Last edited by Mountain_Wanderer; 22-09-2010 at 10:43 PM.
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