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Image Sensor Sizes Kodak Esasyshare DX7630 Zoom Digital Camera
Andrea wrote:
I have a DX7630 Zoom Digital Camera ,CCD 1/1.8 in. (7.20 x 5.35 mm) CCD, 4:3 aspect ratio I need to know the exact size of the CCD image area (not the CCD silicon substrate size ) where can I find it? Many Thanks, Andrea Andrea, DP Review thought that the sensor was the Sharp RJ21T3AAPT/ST CCD http://www.dpreview.com/news/0312/03...harpsixmeg.asp Usually, the size quoted is the active sensor area. See if Sharp have a specification sheet - I couldn't find one with a quick scan. Cheers, David |
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Image Sensor Sizes Kodak Esasyshare DX7630 Zoom Digital Camera
Andrea wrote:
On 19 Ago, 14:03, "David J Taylor" - this-bit.nor-this-bit.co.uk wrote: Andrea wrote: I have a DX7630 Zoom Digital Camera ,CCD 1/1.8 in. (7.20 x 5.35 mm) CCD, 4:3 aspect ratio I need to know the exact size of the CCD image area (not the CCD silicon substrate size ) where can I find it? Many Thanks, Andrea Andrea, DP Review thought that the sensor was the Sharp RJ21T3AAPT/ST CCD http://www.dpreview.com/news/0312/03...harpsixmeg.asp Usually, the size quoted is the active sensor area. See if Sharp have a specification sheet - I couldn't find one with a quick scan. Cheers, David thank you David, I asked this because I found in another post , ( http://groups.google.com/group/rec.p...095e474c2be263 ) that CCD silicon substrate size indicated on technical specifications has no dimension equal to Image Sensor Sizes and I would need those dimension. I're saying that for this sensor the ccd silicon substrate size is equal to CCD image area ? I ask confirmation, because I speak a poor English There are two things he 1 - Typically the sensor has a few pixels at the edges of the active region which are masked from the light, and are used for dark-current measurement. This is why you will sometimes see a camera described as having a different number of "effective pixels". For example: http://www.dpreview.com/reviews/spec...c_dmcfx150.asp says: photo-detectors 15 million, effective pixels 14.7 million. The resolution of that camera is given as 4416 x 3312 pixels, so 14.62 million pixels. 2 - What the post you quoted is commenting on is that the size of the sensor as typically quoted (1/2.5 inch), is the approximate diagonal size of the total sensor package (so 0.4 inches or 10.16mm in this case), whereas the active silicon area is typically 4.29 x 5.76mm, at least according to DP Review: http://www.dpreview.com/learn/?/key=sensor%20sizes Cheers, David |
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