A rumor (thanks) suggesting that the next big thing coming from Canon will be global shutter on all future 1-series DSLRs. The aim is to push the frame rate of these DSLR to new levels. The EOS-1D X is rumored to get replaced during 2015. Could be the first Canon DSLR to sport a global shutter.
Most CMOS sensors (as you find on a DSLR) have a rolling shutter, which reads pixel values from top left to bottom right (typically). The problem with a rolling shutter is the distortion that becomes visible with fast moving, rotating objects. CCD sensors store each pixel value until all pixels values are read out at once (hence the global shutter).
I do not think Canon will start to use CCD sensors, so the question is how Canon is going to implement a global shutter on a CMOS sensor. A possible solution could be to have a memory for each pixel where to store the charge (value) until all pixel values are read at once. This would keep the advantages of the CMOS sensor and allow to feature a global shutter. Could such a technology give higher frame rates?
Please note that this rumor is rated CW2. What do you think about this rumor?
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