Technicolor

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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