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arttocrma
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Lee Jay said:cbphoto said:Shooting action at f8? No thanks.
I shoot VERY high speed action (200+mph model aircraft) at f/9 all the time. It's a perfectly practical thing to do in direct sunlight.
This R/C plane was going over 200mph, and this was shot at f/9, ISO 400 and 1/2000th.
http://photos.imageevent.com/sipphoto/aircraft/aamairshow2011/20D44665.jpg
that's 70-200 + 1.4 tc and 20D
Max wide open is f/5.6 (if your lens is 70-200 f4)
You can use any aperture
and still sunny (can use low iso with high speed shutter)
but in wildlife that want wide aperture and high ISO with high shutter speed
i think f/4 lens with 1.4 tc is the less image quality for wildlife photographer
this only my opinion.
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