Jman13 wrote:
I frankly have no idea what you\'re saying because it really doesn\'t make sense. There is absolutely no need for there to be extra pixels on a larger sensor for sensor shift IS...the sensor moves in the opposite direction of the lens, which keeps the light focused on the same pixel throughout.
Why would you need extra pixels if the whole sensor is moving to keep the rays of light aligned on the same spot on the sensor? If the image moved outside the main sensor area, that would mean the entire image shifted off the sensor, which would result in blur in the final image...the sensor moves to ensure that doesn\'t happen.
i feel like a diagram might be necessary, but don\'t care that much. the sensor moves to keep the light focused on the same pixel throughout by moving the sensor in the opposite direction of the lens. check. we agree on this. the advantage of a larger sensor is that when the sensor has moved (which it starts doing before the shutter opens) there are still pixels filling the image circle of the lens even though sensor is not centered. this means the camera can choose to take the most centered crop of the pixels. this could be done by using the only pixels that are centered at the start of capture time or another selection method.
Aug 09, 2012 at 10:58 PM
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