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August 25th, 2004, 02:47 PM
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#1 |
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Major Player
Join Date: Dec 2001
Location: Tavares Fla
Posts: 541
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20D tech question AF
Somebody "splain" to me about the AF points and what is different when one uses a 2.8 lens vs others??
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August 25th, 2004, 03:01 PM
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Warden
Join Date: Mar 2002
Location: Clearwater, FL
Posts: 8,287
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The center point switches to precision mode when lens faster than f/2.8 are attached. The precision mode is able to focus to 1/3 the DOF of a non-precision sensor.
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