ANSWERS: 1
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CCD imaging devices are high quality, low noise imaging devices that use a lot of power. CMOS imaging devices are noisier, but use much less power. Like most things electronic, there is a tradeoff. LBCAST is a proprietary hybrid design from Nikon that is an attempt to combine the best features of both imaging technologies. Nikon claims the LBCAST device is as high quality as CCD, but consumes as little power as CMOS. Traditionally CCD devices have been found on higher end cameras, and CMOS on cheaper models. But that is changing. CMOS quailty is getting better and better with each new generation of chip designs. There is a strong push towards longer battery life, higher resolution, and lower noise in digital cameras that is driving the development of these chips. If you were asking for a highly technical description of the differences between these technologies, CCD and CMOS descriptions can be found by searching google. I'm afraid details on the LBCAST design will be hard to come by since they are Nikon trade secrets.
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