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OK, answering my own question. Sony recently announced a 4K CMOS sensor with an electronic global shutter, see this blog post and the references inside. So, the status seems to be: reaching the higher end of the market right now (Nov. 2012), the technology does exist. We still have to wait a few years before seeing these global shutters in lower tiers ...


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Shutter speed and motion blur are inversely proportional. The higher the shutter speed, the less amount of motion blur, so crank up the shutter speed as high as it will go. If the exposure comes out too dark, add more lights. Keep in mind that high shutter speeds in combination with fluorescent or HMI light can produce scrolling banding due to the power ...


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The answer is always "More light". The higher the illumination of the sensor (within obvious limits), the less noise or grain. If you must deal only with ambient light -- you can't supplement or fill in -- then open the iris. However, in doing so you trade off depth of field, so it's a balancing act. Generally, avoid increasing preamp 'gain' to compensate ...


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The first thing is to make sure any gain is off. Gain on a video camera is like high ISO on a digital still camera. It increases the noise floor significantly and causes much more noise in even a good image. This should make the camera make other adjustments to try to preserve the exposure with a lower noise floor. If there is still too much noise, it ...



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