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Old 09-11-2015, 06:07 PM
eskimo20 (Robert)
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eskimo20 is offline
 
Join Date: Mar 2009
Location: Ipswich Queensland
Posts: 39
Thanks Matt

Going down to 100mm f12 would be the "perfect" solution based on the theory.

Presumably there's compromise point where you don't lose too much light but still get better CA control - say f10.

There are a lot of f10 objectives out there...

Robert
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