ben egbert Offline Upload & Sell: Off
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Back in the old days when I had a 20D and 400 f5.6 I could tape the pins so it did not report and it would AF. Conversly, a non reporting Tamron extender would also AF. I see the 7d2 has af at f8, did not know that. Ignore my reply. But the 400f5.6 and 1.4X mk2 combo was sharp when in focus.
Edited on Mar 02, 2015 at 06:18 PM · View previous versions
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