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Old 09-09-2013, 03:43 PM
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omegacrux (David)
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Join Date: Jan 2012
Location: Ulverstone Tas
Posts: 733
Hi Alan
I get what your saying
An f10 might zoom in well , but the same size scope. in f5 will let in a lot more light to view nebula ,
Bit of a trade off

David
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