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question on sensor size
Kind of a Newbie question on sensor size.
What is the difference between, 1/2.5 " or 1/1.6 " or 1/1.8 " on non-slr's or 4/3" or 23.7 x 15.6 mm on a Nikon. Do more or bigger sensors necessarily mean better pictures? and If so, why? thanks Scott |
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question on sensor size
On Mon, 2 Jul 2007 14:39:49 -0400, SJ wrote:
Kind of a Newbie question on sensor size. What is the difference between, 1/2.5 " or 1/1.6 " or 1/1.8 " on non-slr's or 4/3" or 23.7 x 15.6 mm on a Nikon. Do more or bigger sensors necessarily mean better pictures? and If so, why? thanks Scott Try this for starters: http://tinyurl.com/ah7nc Pete |
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question on sensor size
SJ wrote:
Kind of a Newbie question on sensor size. What is the difference between, 1/2.5 " or 1/1.6 " or 1/1.8 " on non-slr's or 4/3" or 23.7 x 15.6 mm on a Nikon. Do more or bigger sensors necessarily mean better pictures? and If so, why? thanks Scott Scott, there's an explanation he http://www.dpreview.com/learn/?/Glos...r_sizes_01.htm Bigger sensors require larger lenses, making the camera bulkier but, in exchange, they can work at a higher ISO setting therefore taking better quality photographs under darker conditions. For my small-sensor cameras, I tend to stick with ISO 100. 4/3 is an intermediate size which should have allowed smaller, lighter cameras with near-DSLR quality, but the jury is still out as to whether it will be a success. 23.7 x 15.6 mm sensors for DSLRs mean that the lens angle of view is reduced, so that for a wide angle you need a 20mm focal length instead of a 30mm focal length. On the other hand, it means that with telephoto lenses, a DSLR with a 200mm lens can produce the same image as a film SLR with a 300mm lens. On the other hand, the lens can be smaller, lighter or cheaper as it only needs to cover a smaller image circle. Cheers, David |
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