BTW+ : ASI 294 16bit RAW file size should be 22,3 MB. yes on the host computer, as its expanded to 16 bit but I believe its a lot smaller on the camera where it is held on the camera in 14 bits, not sure of the exact encoding. Which raises the additional point about where the file structure encoding is done. Given 8 bit files transfer OK and 16 bit ones don't it suggests it might be done on the camera. But its not something I intend diving into.

My main concern is image quality. Is there any adverse effect in transferring the 16bit image via USB2 vs USB3? Given that the DDR Memory Buffer on the ASI294Pro was specifically designed to "minimize amp-glow, which is caused by the slow transfer speeds when the camera is used with a USB 2.0 port." maybe is does not matter

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