Craig I'm about to try a 1/2" chip in the form of the SAC 4.2 mono (maybe end of next week at the latest). I should by rights be able to get a full solar image on the chip and have room to spare. If this is the case then I may be able to select a Region of Interest (ROI) and get up to 10 - 15 fps with the USB 2. I'll let you know how I go. If successful it will be about half the price of the DMK. It will also save in Raw format.
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