Astronomy Site: Meade Advanced Products Users Group Archive: [M]: Light Gathering Ability

 
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Subject: [M]: Light Gathering Ability
From: Art Morton
Reply To: mapug@shore.net
Date: Sun Aug 27 06:50:41 2000

While you're here, how about checking out the Astronomy Book List ?

Is there a direct comparison between SCT and fluorite glass refractors
as to their light gathering capability? It there some qualitative
measurement or a “Rule of Thumb”? An example would be that a 4"
fluorite glass refractor gathers as much light as an 8” SCT.


Thank you,


Art





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