Fries Ultra 70 camera

Fries Engineering Ultra 70

An interesting camera came through my shop for evaluation this week. This is a Fries Engineering Ultra 70 (3 X 65) camera that shoots IMAX 15-perf pull-across 65mm film. I am evaluating what work needs to be done to get it up and running again, but currently it isn’t pulling film. Fascinatingly large and heavy,

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Technicolor DTB Filter

Technicolor Filter Update

Many thanks to Bruce Heller for the following explanation of how the DTB filters were used in the Technicolor dye transfer printing process: This blue filter is a sample of a rough ground Corning Glass DTB (Dark Theater Blue) filter. The example shown here has not been polished. These filters were used in the optical

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Technicolor Test Prism

Technicolor Prism and Filter

As I was going through Jim Danforth’s equipment (he saved some very amazing things), I came across a pair of Technicolor prisms and a mysterious blue disc. One prism is from a 3-strip Technicolor camera, and the other prism looks suspiciously like the ones from the early 2-strip Technicolor cameras. There was also what, at

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Vinten Model H 35mm motion picture camera

Vinten Model H Motor

As I zero in on the completion of repair work on the Vinten Model H camera, I started work this week on what seems to be a variable speed motor. I don’t have it fully working quite yet, but the motor has three very interesting features for its vintage. It engages with a clutch in

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Vinten Model H 35mm motion picture camera

Vinten Model H Lenses

As we approach the completion of work on the Vinten camera, I turned this week to servicing the lenses that came with it. All 3 of the lenses were in ok optical condition, but suffered from years of neglect. I began by removing the miles of tape wrapped around the lens controls and cleaning the

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