Thread: Mak Newt Mirror Spot & Other Adjustments
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Old 01-09-2009, 07:29 AM
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Moon (James)
This sentence is false

Moon is offline 		 
Join Date: Oct 2008
Location: Melbourne
Posts: 1,158
Another 'strange' thing I noticed last night. The back of the mirrors says 750 x 150. That would make it f5.0

All the advertising says it's 731 x 152 f4.8

Is there an easy way to accurately measure the focal length?
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