If your light surface is strong enough, you can scotch tape your neg strips to help flatten them out, just fold over a small tab on the tape so you can gently and safely remove the tape without ripping your negs. Don't count on being stopped down for extra depth of field when in macro mode. This will ensure your image is focused edge-to-edge. If your camera doesn't have focus bracketing, you will have to do it by hand. If your camera body allows for focus bracketing, shoot a few frames to ensure all the live areas are in focus and stack in an app like Photoshop, GIMP, Affinity Photo, or any of the open source or commercial stacking apps available.
It's tricky in setups like these, but do your best. Try to align your sensor's plane with the film plane as parallel as possible on all four corners. Notice how all the edges of his images are out of focus. This will increase contrast and sharpness.įilm plane curvature will always be a problem scanning film, especially chromes left mounted in their paper or plastic mounts, and especially in crude setups like these. Depending on your setup, lay the cutout on top or below of your chrome or neg. Even with the most minimal setups he's shown you should cut out a window from a piece of thin cardboard from, say, a cereal box, and use as an aperture mask it to keep all the excess light from flaring the lens and, ultimately, your image. If you're not shooting RAW make sure you white balance your light source prior to shooting your images.
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