Meteor 5-1 f/1,9 17-69mm Zoom Cine Lens movie USSR M42 Kranogorsk KMZ (2)

Meteor 5-1 f/1,9 17-69mm Zoom Cine Lens movie USSR M42 Kranogorsk KMZ. The lens consists of 16 lenses, of which four make up the main lens, and 12 lenses, grouped into five components, are elements of the variable magnification and focusing system (see diagram). Changing the focal length is carried out by moving components 2 and 4, and 3 and 5 are used to correct violations of the parallelism of the beam of light rays. The front positive component 1 focuses the lens to finite distances from infinity to 1 m; it is operated separately by hand.

Aperture from 1.9 to 22 mm.

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