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Old 09-05-2008, 11:58 AM
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Bloodbean (Troy)
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Bloodbean is offline
 
Join Date: Mar 2008
Location: Christchurch, New Zealand
Posts: 134
Have you considered the Tamron 17-50 f/2.8? I upgraded to this from my 18-55mm kit lens and was amazed at the difference. For astro shots it's very sharp at F/4.0. I've just gotten a Sigma 10-20 but have yet to try it for anything astro related although I suspect it may be a bit wide.
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