I would like to have a right angle device to use on my view camera lenses for several reasons. 90* prisms were common when process cameras were in wide use, however, they are too heavy for my lenses and shutters. There have been novelty "spy lenses" available for small cameras for years but they are not large enough for my lenses and I am skeptical of the quality of their mirrors.
I am now making a right angle mirror box from 3/16" aircraft plywood to the same proportions as a Kodak prism (recently sold to anther member). Attached are some photos of my unfinished wood butchery. I will use a 67mm to 95mm step-up ring to attach to the two 67mm thread lenses I intend to use. The ring will be secured to the box by clips that can be loosened and tightened to adjust to the desired angle. I have purchased a high quality 100mm circular front surface mirror from the Surplus Shed that I will glue in the box.
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