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So, I missed the suggestion thread, but here's mine: hack together a DIY microscope scanning rig. It'll set you back less than 500 dollars. An open frame 3D pri
by dTal 4y ago
So, I missed the suggestion thread, but here's mine: hack together a DIY microscope scanning rig. It'll set you back less than 500 dollars. An open frame 3D printer like a Creality CR-10S can be had for a few hundred - that's your stage, complete with controller electronics. Replace the hotend with a bracket for a Pi Cam HQ - it's a decent 12MP sensor - and add a microscope lens [0]. Put a lightbox on the bed, then your film, then the thinnest piece of glass you can find to hold it down. Now you can easily raster-scan at over 17000dpi. You can even make minute depth adjustments using the vertical axis of the stage to correct for film flatness issues.
I'm sure there are many objections to this setup - I know resolution isn't everything and I'm unsure if a Sony IMX477 sensor is "good enough" for the author in terms of color and dynamic range - but you can't argue with the price!
[0]https://shop.pimoroni.com/products/microscope-lens-0-12-1-8x?variant=31885093371987 https://shop.pimoroni.com/products/microscope-lens-0-12-1-8x...