Sony's CyberShots: 10 megapixel DSC-N2 and 7.2 megapixel DSC-T50

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Chris @ Sep 11th 2006 7:44AM

Thinking 1.7" sounded absolutely HUGE for a CCD (SLRs don't even go that big), I did a bit of research...
CCD sizes are specified in a slightly odd way, as a fraction, usually with a decimal fraction in the denominator. So the "1.7" mentioned should probably really be "1/1.7" (which is slightly bigger than half an inch).
BUT, that isn't even the actual size of the sensor either! A 1/1.8" sensor actually has a diagonal of just 9mm.
More comprehensive description (with diagrams) on dpreview:

http://www.dpreview.com/learn/?/Glossary/Camera_System/sensor_sizes_01.htm

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