Quote:
Originally Posted by sfisher
You're forgetting to add in the sensor size factor. The 1/focal length guide applies to film photography, so the focal length used should be the 35mm effective focal length. On an XT, the 300mm lens will have the same FoV as a 480mm lens on a 35mm camera, so the 1/focal length guide indicates a minimum shutter speed of 1/500 sec.
Quite interesting that ckodonne reports the same minimum shutter speed for his 300mm lens!
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Thanks for that bit of input; I knew from my own experience with the 300mm that anything under 1/500 produced some noticeable motion blur...I always shoot 1/750+ to play it safe if I can...though that may be unnecessary now. I used to shoot on the Canon 30D which has a 1.6 crop sensor, but now I have a full-frame sensor. Good to know that I can get a little more versatility out of my 300mm now.