Reply To: Impurities on the ccd sensor? › Forums › General Discussion › Impurities on the ccd sensor? › Reply To: Impurities on the ccd sensor? 5 March 2025 at 10:51 am #628617 Robin LeadbeaterParticipant Hi Giovani, The dust donuts are almost in focus so if they are not on the sensor I think they must be on a surface close to another focal plane in the system. Can you post full frames (not cropped) of both DSC02817 and DSC02819 please ? Cheers Robin This reply was modified 2 months ago by Robin Leadbeater.
