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12-19-2014 05:23 PM
Hi can't seem to get a sharp a image with my 70- 200 as I can with my 100-400mm. Should I be getting just as sharp photos with both lenses. I still have a warranty with best buy.
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12-19-2014 06:04 PM
What are your shooting conditions? If you were below 1/400 or so the IS on the 100-400 could make a significant difference. Try a controlled test, on a tripod, same settings, IS off.
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12-21-2014 10:20 AM - edited 12-21-2014 10:32 AM
"Hi can't seem to get a sharp a image with my 70- 200 as I can with my 100-400mm."
These two lenses should provide similar results as long as you are using them both the same way. Possibly the 70-200mm f4 would give slightly better sharpness. It is an easier lens to use as it has less focal length to influence your pictures. Generally everything is multiplied as the focal length goes up. Even the bad stuff! You need to compare them in exacting manner, though.
EOS 1D, EOS 1D MK IIn, EOS 1D MK III, EOS 1Ds MK III, EOS 1D MK IV and EOS 1DX and many lenses.
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12-19-2014 06:04 PM
What are your shooting conditions? If you were below 1/400 or so the IS on the 100-400 could make a significant difference. Try a controlled test, on a tripod, same settings, IS off.
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12-27-2014 07:15 AM
Thanks I will
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12-21-2014 10:20 AM - edited 12-21-2014 10:32 AM
"Hi can't seem to get a sharp a image with my 70- 200 as I can with my 100-400mm."
These two lenses should provide similar results as long as you are using them both the same way. Possibly the 70-200mm f4 would give slightly better sharpness. It is an easier lens to use as it has less focal length to influence your pictures. Generally everything is multiplied as the focal length goes up. Even the bad stuff! You need to compare them in exacting manner, though.
EOS 1D, EOS 1D MK IIn, EOS 1D MK III, EOS 1Ds MK III, EOS 1D MK IV and EOS 1DX and many lenses.
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12-27-2014 10:23 AM
@ebiggs1 wrote:"Hi can't seem to get a sharp a image with my 70- 200 as I can with my 100-400mm."
These two lenses should provide similar results as long as you are using them both the same way. Possibly the 70-200mm f4 would give slightly better sharpness. It is an easier lens to use as it has less focal length to influence your pictures. Generally everything is multiplied as the focal length goes up. Even the bad stuff! You need to compare them in exacting manner, though.
And re-calibrate the autofocus microadjustment for the 70-200, if your camera supports it. It's unusual for an "L" lens to require AFMA, but it's always worth checking.
Philadelphia, Pennsylvania USA