Additional Information:
Variable
focal length lens for Krasnogorsk-2 and Krasnogorsk-3 cinema cameras.
It was produced in versions with a unique Krasnogorsk bayonet mount and a
M42x1 mount (45.5 mm flange distance).
The
lens consists of 16 lenses, of which four constitute the main lens, and
12 lenses, grouped in 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.
Front positive component 1 focuses the lens at finite distances from
infinity to 1 m; it is operated by hand separately.
The
Meteor-5-1 lens is designed for a frame size of 7.45x10.05mm, back
focal length, i.e. the distance from the rear lens to the light detector
- film or matrix - is about 15mm, it will NOT stand on a SLR camera
!!!.
The
diameter of the formed image when focusing at infinity and a focal
length of 17mm is about 15mm, with a focal length of 69mm about 18mm.
Format: 16mm (movie cameras, technical)
Type: Variable focal length (zoom)
Focus: Manual focus
the lens for 16mm cine camera.