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Month: January 2017

Ground glass / focusing screen

A ground glass focusing screen is something I usually rush through because when it’s time to make one  I’m usually at the end of a tedious camera build and want to hurry up and use the thing already. But I wanted to take some time and make a decent one- after all this is the one thing I spend the most time looking at on a camera. Usually I don’t bother to seam the edges so the little chips along the cuts refract light into the image area and generally looks pretty crappy, so I spent the time to carefully cut the screen, smooth out the all the edges, and bevel them before getting on with grinding the surface. I did this for a recent Arca Swiss CLA, and it turned out well so made another one for my shop made camera.

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