Steam engine at a old leather factory.
16m40s exposure on x-ray film (e.i. 100). Made with ONDU 8x10 pinhole camera (F/240)
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Wait... 17min exposure f/240?
What's the x-ray film? Does the photo look very different than if it would be if shot on regular film?
X-ray film is the stuff they used for x-rays in hospitals. It’s a double sided (emulsion on both sides) orthochromatic film (not sensitive for red). Most modern film is panchromatic (equally (more or less) sensitive for all colors). So ‘normal’ film should give a slight different result. I use x-ray film, because it’s the most affordable choice on 8x10.