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Old Oct 5, 2006, 4:20 PM   #39
Join Date: Aug 2004
Posts: 8,529

Conversely in my situation that same 300mm lens at f2.8 and subject 20 yards away (60') - DOF is only 1.29 feet; 0.65 ahead. So, think a person can move more than 6 inches in a second? YEP

So, what works in one scenario doesn't work in another. Also why extrapolating can be dangerous.
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