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Old 11-10-2013, 06:36 AM
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Irish stargazer (John)
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Irish stargazer is offline
 
Join Date: Jul 2008
Location: Brisbane
Posts: 690
Nice shots Jason. The Sigma F1.4 lens works really well-lets in loads of light. I find I can get away with 10 second frames around ISO 1600 with the lens fully open and get a fairly clean result. Focus is very tight though to avoid blue edged stars. Needs about 20 frames minimum.
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