I took the enlarger head of my Leitz valoy enlarger, adapted an L bracket made from stainless steel that I can fix to the screws that supported the head on the pistol grip and mount my Pentax 645D with the very impressive Pentax 120 f4 A macro lens with an extension ring.
I made a box, covered the bottom with white led strips put two acrylic diffusers separated by a couple cms each and a glass on top covering the box. On top of the glass I placed a 4" diameter pvc pipe cut to about 2-3 cms length. On top of the pipe I place my film holders from my beseler 23c enlarger. The box has 3 screws mounted on the 3 of the sides that let me level the box with high precision to have both film plane and sensor plane as parallel as possible.
The image quality I am getting from "scanning" or duping my negs is way better than what I get from any epson scanner. Focus is perfect. the system really goes into the film grain. Very low noise captures vs the epson scans. I am stitching panoramic 35mm negs shot with a widelux in two shots with great success. It seams perfectly. And best of all it takes about 20 mins to scan a full 36 frame roll. Slides are pretty easy to scan too because the leds are a reasonable white to balance in Lightroom. Color negs as always are a big pain. I'll try to post some pics of the setup if someone wants to give it a try. I suspect manual movement of a bigger format neg under the camera to capture in several shots to later stitch should not prove too difficult to do. My 2 cents for this great forum that has given me so much.
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