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Widefield Imaging
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28-09-2009, 11:14 AM
TrevorW
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Join Date: Aug 2006
Location: Western Australia
Posts: 7,852
Widefield Imaging
Using a Canon 50mm f1.8 lens
with manual focus the AV was set at 13(1/3) to acheive focus
is this normal ??
FWHM values in DSLR Focus where 4.5
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