Thread: The 300mm Mirror-Unigraph works
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Old 17-04-2024, 05:03 PM
Unigraph (Harald)
Harald

Unigraph is offline 		 
Join Date: Nov 2010
Location: Germany, Langendorf
Posts: 13
The focal ratio for the Etalone at 300mm aperture of the mirror is around 1:70, but the images are captured at around 1:40 thanks to an Antares reducer.



cs Harald
www.unigraph.de
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