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[Ohgodwherediditgo]

21 minutes ago, rickwayne said:

Even simpler: pick up an LED tracing panel on Amazon or similar. Try shooting a few images with it turned different ways, if those images aren't different the panel is consistent enough. The one I got runs off USB, doesn't need a diffuser at its lowest setting, and cost US$15.

To shoot the frames, don't obsess about exposure or anything. Just get the histogram peak in the middle of the graph, and use that exposure henceforth. It merely has to be somewhere in the sensor's region of linear response. As was said above, bias frames are easy to manage and reuse, and work well with DSLRS. Have to have bias or dark flats for the flats to work correctly.

I just looked at tracing panels on amazon and i can't believe that these haven't been mentioned already ! Thanks