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Old 09-02-09, 20:39
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miketoll miketoll is offline  
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Join Date: Dec 2005
Location: Suffolk
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I have got an old Canon FD 500mm mirror which was difficult to use because of difficulty in focussing due to the fixed f8 aperture and narrow DOF. It was used in the film days of course which meant slow shutter speeds which sometimes caused blur due to subject movement. The Nikon superb high ISO capabilities will help there of course but even so I wonder if it will be a bright day only lens. I did try my mirror lens with a 2x converter once and only once because it exacerbated the above so much and wobble in a hide with people moving was impossible to deal with. Persuaded me, once I had gone EOS, to buy the cheapest autofocus 500 I could which was a 170-500 Sigma.
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