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Forum: Canon EOS dSLR Dec 14, 2003, 9:32 PM
Replies: 11
Views: 9,278
Posted By ohenry
ahhh...gotcha. for every stop decrease in...

ahhh...gotcha.

for every stop decrease in aperature, you get a corresponding stop increase in shutter speed (and vice versa). The difference between 2.8 and 3.5 is about 2/3 of a stop, so you...
Forum: Canon EOS dSLR Dec 14, 2003, 3:19 PM
Replies: 11
Views: 9,278
Posted By ohenry
I'm not quite sure what you're asking. A lens'...

I'm not quite sure what you're asking. A lens' speed is measured by the largest aperature, so a f/2.8 lens is faster than a f/4.0. But either lens may take a great picture in low light situations;...
Forum: Canon EOS dSLR Dec 14, 2003, 9:13 AM
Replies: 11
Views: 9,278
Posted By ohenry
I can give high praise of the Tamron 28-75mm...

I can give high praise of the Tamron 28-75mm F/2.8 XR Di lens. I've had mine for about a month now and am very satisfied with the sharpness of the images, the speed of the focusing, and the overall...
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