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Aperture problem in Nikkor 55-200 f/4-5.6 VR?
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<blockquote data-quote="Marcel" data-source="post: 291574" data-attributes="member: 3903"><p>OK, they were taken at the same focal length, but what focal length was it? I can't see the exif of the shots you've posted. And, if you were above 100mm, then it would explain the difference. Even if your camera says it's f-4, it could be slightly different in the real world. When using manual exposure, and taking a reading at f8 and then changing shutter speed and aperture manually to get the same exposure, you will run into this below f 5.6 because your lens looses speed at longer focal length. Now if you were to use Aperture priority and meter the shots, your camera would compensate for the lens f-stop variation by giving you a slightly longer exposure.</p><p></p><p>If you don't understand my point, then maybe you could send Nikon your shots and ask them if they think the lens is problematic. I, for one, would appreciate to find out what they would say about it.</p></blockquote><p></p>
[QUOTE="Marcel, post: 291574, member: 3903"] OK, they were taken at the same focal length, but what focal length was it? I can't see the exif of the shots you've posted. And, if you were above 100mm, then it would explain the difference. Even if your camera says it's f-4, it could be slightly different in the real world. When using manual exposure, and taking a reading at f8 and then changing shutter speed and aperture manually to get the same exposure, you will run into this below f 5.6 because your lens looses speed at longer focal length. Now if you were to use Aperture priority and meter the shots, your camera would compensate for the lens f-stop variation by giving you a slightly longer exposure. If you don't understand my point, then maybe you could send Nikon your shots and ask them if they think the lens is problematic. I, for one, would appreciate to find out what they would say about it. [/QUOTE]
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Aperture problem in Nikkor 55-200 f/4-5.6 VR?
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