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Old 11-11-11, 11:50 PM
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OldBoy OldBoy is offline
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Join Date: Aug 2009
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Agree with Matt about the Sigma 50-500mm F4-6.3, but you do need bright light to get the best out of it. You can also use the Sigma 1.4 or 2x converter with it, but manual focus only. I have used it with the 1.4 converter giving me 700mm F8.
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