The AT-140CL and the AT-200CL are the latest in the company’s 3CCD (charge-coupled device) color camera series. The new 3-by-1.4-megapixel and 3-by-2-megapixel cameras provide a larger sensor format and higher resolution than the previously available 3CCD RGB models. The AT-140CL has three 1/2-inch progressive scan CCDs (Sony ICX267AL), each with a resolution of 1,392 by 1,040 pixels and an individual pixel size of 4.65 by 4.65 microns. The AT-200CL uses three 1/1.8-inch progressive scan CCDs (Sony ICX274AL) to provide a resolution of 1,628 by 1,236 pixels with an individual pixel size of 4.4 microns square. The CCDs are affixed to a newly developed prism block that splits the incoming light into red, green and blue color channels. The alignment process ensures the three sensors are aligned to within 1/4-pixel accuracy, providing pixel-precise color values suitable for machine vision analysis, measurement and processing.
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