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Photography Q&A
D7000: nikon 70 200 2.8 vr1 good idea?
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<blockquote data-quote="spb_stan" data-source="post: 715620" data-attributes="member: 43545"><p>The VR 70-200 is a Fx lens and with the large image circle, at 200mm is it a little soft but on a Dx image circle there would be no softness. It is a rugged well made lens that really works well as a portrait lens as well as general purpose telephoto. It is a good match for a D7000, focuses fast and sure. </p><p>If it is used on gymnastics, how far form the athlete, what light levels and type of light? There nothing faster in a zoom so if it is too dark for decent exposure at 5000 ISO, you will either need a camera with better noise control. By carefully selecting the lowest shutter speed that can freeze the action you can optimize the exposure triad. I often see people just setting the shutter at 1/2000 or whatever and complain about noise, but there is not much action a human body can do that requires that high, particularly if you are far from the action.</p><p></p><p>Another trick if you need higher shutter is to intentionally expose in RAW 1-2 stops underexposed. The sensor in the D7000 has a linear noise curve, sometimes called ISO Invariant which means an under exposed image boosted in post will have the same noise as if exposed normally. That would allow a higher shutter speed for freezing the action but low enough ISO so there is acceptable noise under exposed 2-3 stops by raising the shutter speed 2-3 stops allowing the image to be 2-3 stops darker than the final image would be printed. In Lightroom or other RAW rendering program, just boost exposure 2-3 stops and you will end up with non-blurred image with the same noise as if you exposed normally. </p><p></p><p>I have that lens and use it on a D7000, D800 Fx and Z6 Fx and it works well. For price you mentioned I would expect to be in perfect condition. One that has been used as much as mine would only fetch $600 or so. Mine has been all over the world and shot probably 300,000 frame and never let me down. </p><p>The Tamron G2 is a good lens also, but new it is about 1200euro. The earlier versions might not be upgradable to be compatible with newer camera.</p></blockquote><p></p>
[QUOTE="spb_stan, post: 715620, member: 43545"] The VR 70-200 is a Fx lens and with the large image circle, at 200mm is it a little soft but on a Dx image circle there would be no softness. It is a rugged well made lens that really works well as a portrait lens as well as general purpose telephoto. It is a good match for a D7000, focuses fast and sure. If it is used on gymnastics, how far form the athlete, what light levels and type of light? There nothing faster in a zoom so if it is too dark for decent exposure at 5000 ISO, you will either need a camera with better noise control. By carefully selecting the lowest shutter speed that can freeze the action you can optimize the exposure triad. I often see people just setting the shutter at 1/2000 or whatever and complain about noise, but there is not much action a human body can do that requires that high, particularly if you are far from the action. Another trick if you need higher shutter is to intentionally expose in RAW 1-2 stops underexposed. The sensor in the D7000 has a linear noise curve, sometimes called ISO Invariant which means an under exposed image boosted in post will have the same noise as if exposed normally. That would allow a higher shutter speed for freezing the action but low enough ISO so there is acceptable noise under exposed 2-3 stops by raising the shutter speed 2-3 stops allowing the image to be 2-3 stops darker than the final image would be printed. In Lightroom or other RAW rendering program, just boost exposure 2-3 stops and you will end up with non-blurred image with the same noise as if you exposed normally. I have that lens and use it on a D7000, D800 Fx and Z6 Fx and it works well. For price you mentioned I would expect to be in perfect condition. One that has been used as much as mine would only fetch $600 or so. Mine has been all over the world and shot probably 300,000 frame and never let me down. The Tamron G2 is a good lens also, but new it is about 1200euro. The earlier versions might not be upgradable to be compatible with newer camera. [/QUOTE]
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D7000: nikon 70 200 2.8 vr1 good idea?
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