March 20, 2020

Schematic Diagram comparing the Mitchell Type A and Type B chronographs

Mitchell Type A and Type B Chronograph Cameras

March 20, 2020 / Cameras, History, Research

I have seen and used a number of Mitchell chronograph cameras over the years without really knowing much about them. A few months back I shared an interesting camera I had recently acquired that featured a shutter mounted on the main shaft of the camera movement. Not knowing exactly what this was used for, Erin […]

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Zeiss Tessar Lenses in Parvo mount

March 20, 2020 / History, Lenses

As we continue to find treasures that have been buried in our inventory for decades, we came across these two very interesting and unusual Zeiss Tessar lenses. The Zeiss Tessar was designed by Paul Randolph in 1902 for the Carl Zeiss company. The Tessar was innovative in its design that included four elements in three

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