So it's grossly overexposed. The so called "unity gain" point will be closer to 375. Then reduce you exposure to 1 or 2 mS. Bring the histogram indicator down to 80% or so. At this point you can begin to image the Airy disc and a diffraction ring or two.
So it's grossly overexposed. The so called "unity gain" point will be closer to 375. Then reduce you exposure to 1 or 2 mS. Bring the histogram indicator down to 80% or so. At this point you can begin to image the Airy disc and a diffraction ring or two.