Additional Information:

Lens OKC1-150-1 2.8/150- high-aperture four-lens anastigmat. The objective lenses are chemically coated. The lens is designed for professional film cameras using 35mm film. Produced for cameras such as Druzhba, Moskva, etc. The large focal length and high aperture allow the lens to be used in various conditions: for outdoor shooting of distant objects, architectural details, hard-to-reach areas, for filming indoors, for shooting small objects close-up, for filming sports events, newsreels, etc. The optical parts of the lens are mounted in a special frame. The frame has a thread with which the lens is attached to the camera, and an aperture ring. The aperture scale is marked on the frame. The aperture in the lens is iris. Slip-on attachments with a diameter of 73 mm can be placed on the lens barrel. Outside the camera, the lens is protected by protective caps.

 

Main technical data

Focal length, mm - 150.09

Relative aperture - 1:2.8

Angular field of view, g - 10

Working distance, mm - 101.85

Front focal length, mm - 184.05

Back focal length, mm - 88 .15

Coefficient of light transmission - 0.72

Resolving power, lines / mm

     in the center - 47

     along the edge of the field - 34

Number of lenses - 4

Light diameter of the last surface, mm - 29.7

Structural elements

The largest diameter of the frame, mm - 80

Length of the frame with covers , mm - 106

Connecting thread - SpM 56x0.75

Fitting dimensions for nozzles:

     smooth (diameter), mm - 73

Weight, g - 620