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| Bob Dodds | profile | all galleries >> All Your Base Legendary Lens Be Ours >> Zeiss M42 and Contax lenses >> Carl Zeiss Jena R-Biotar T 75mm f1.5 1951 or later | tree view | thumbnails | slideshow |
Link to CZJ 75/1.5 gallery and gallery
R-Biotar, R for Roentgen. R-Biotar lenses were designed for x-ray photography. "R-BIOTAR 1932, Willy Merte, Zeiss. This was a high aperture narrow angle lens that was a variant of the Petzcal lens".
The first R-Biotar was 55mm f0.85, first made in the 1930's. Kodak adapted an f1 for cinematography many decades before Stanley Kubrick used a Zeiss 50mm f0.7 to make the movie Barry Lyndon. Kubrick's could also be used as 36mm f0.7 by means of an enlarger adapter.
This Zeiss R-Biotar 75mm f1.5 M42 is the only R-Biotar shown on the internet which can be mounted on a still camera, is it not? Factory M42.
 Carl Zeiss Jena R-Biotar T 75mm f1.5 M42 on Sigma SD14 |
 Carl Zeiss Jena R-Biotar T 75mm f1.5 1951 or later |
 Cat On Woodpile |
 R-Biotar image of brush and baskets |