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[OM] Kodak has a big CCD -- 22 megapixels

Subject: [OM] Kodak has a big CCD -- 22 megapixels
From: Joe Gwinn <joegwinn@xxxxxxxxxxx>
Date: Thu, 29 Jan 2004 23:23:30 -0500
I saw an article on page 68 of the January 2004 issue of the trade magazine 
Photonics Spectra: "Eastman Kodak Co., Image Sensor Solutions, 22 million pixel 
full-frame CCD Image Sensor".   I don't think this chip is newly released, and 
the latest datasheet is dated July 2003.  The following is partly from the 
article, partly from the datasheet.

The KAF-22000CE sensor has a 36 by 48 mm sensitive area, which has twice the 
area of a 35mm image.  The pixels are 9 microns square, in a 4080 by 5440 
array.   The chip package is something like 2 by 2.5 inches overall dimensions. 
 The linear dynamic range is 73 db, or 12.1 bits.  (Divide dynamic range by 6 
to get number of bits or stops.)  It takes 2.56 seconds to read an image out.  
There are no per-pixel lenses, so the incident angle of light on CCD surface is 
essentially unconstrained; the article says that the chip "produces stable 
color at incident angles up to 50 degrees".

The article says that the sensor is aimed at the medium-format camera market.

Joe Gwinn

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