Thread: Aperture, F-ratio myth and telescope basics
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  #3  
Old 16-07-2015, 08:49 AM
Stefan Buda
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Stefan Buda is offline 		 
Join Date: Jul 2013
Location: Melbourne, VIC
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The author of the article you mention deserves a jail sentence for causing a great deal of confusion among astrophotographers.

There is no F-ratio myth. The laws of optics are clear and simple.
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