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Old Jul 5, 2004, 10:32 PM   #1
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CCD specs often say something like 1/2.5 inches or 2/3 inches.

What exactly does this mean? The second value would seem to be a dimension that is a fraction of an inch, but then what does the first number mean? .4 inches? If so, why express it like 1/2.5?

Also, I notice that no number is not goven for CMOS imagers. Why is that?

Thanks for your help.

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Old Jul 5, 2004, 10:49 PM   #2
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im lost....
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Old Jul 5, 2004, 11:03 PM   #3
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That is the physical size of the imager chip itself. Click the link below to see a graphic depiction of the various sized imagers, both CCD and CMOS, that are used in digicams.

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