Thread: Focal ratio
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Old 27-07-2009, 12:02 AM
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Darth Wader (Wade)
Chronic aperture fever

Darth Wader is offline 		 
Join Date: Mar 2009
Location: Sydney
Posts: 393
Wow! I didn't expect a reply so soon, thanks Jacquie. So what is an ideal f ratio? Is it dependent on the type of scope/requirements (such as astrophotography)?

Cheers
Wade
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