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Nikon DSLR Cameras
D3200
Manually lowering the ISO speed (<100)
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<blockquote data-quote="dr_eyehead" data-source="post: 316165" data-attributes="member: 25249"><p>Presumably though there is a point where if you lower the iso too much by attentuating the signal you start to reach the noise floor, so beyond that you are not lowering the noise?</p><p></p><p>Also, someone mentioned that a variable ND filter I looked at that employed two polarised ND filtered had an uneven density. How can that be since as you say the variability comes from simply adjusting the angle of the polarisers?</p></blockquote><p></p>
[QUOTE="dr_eyehead, post: 316165, member: 25249"] Presumably though there is a point where if you lower the iso too much by attentuating the signal you start to reach the noise floor, so beyond that you are not lowering the noise? Also, someone mentioned that a variable ND filter I looked at that employed two polarised ND filtered had an uneven density. How can that be since as you say the variability comes from simply adjusting the angle of the polarisers? [/QUOTE]
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Nikon DSLR Cameras
D3200
Manually lowering the ISO speed (<100)
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