Super rare LOMO OKC1-18-1 18mm F2.8 Movie cinema lens OCT19 mount OKS1-18-1 OST

Product Information

Super rare LOMO OKC1-18-1 18mm F2.8 Movie cinema lens OCT19 mount

High aperture ratio, high resolving power, large depth of field make it possible to use the lens for filming high and stretching architectural ensembles, landscape photography, indoor shooting, for shooting sports, newsreels, genre moments, etc.

The OKC1-18-1 (2.8/18) lens is a wide angle high-aperture eight-lens anastigmat. The objective lenses are chemically coated. The lens is designed for professional film cameras using 35mm film. Produced for cameras such as 'Konvas-automatic', 'Sputnik', 'Era'.  The optical parts of the lens are mounted in a special frame.
Optics in good condition. No scratches, no haze, no fungus(there are a few stains on the coating). Lens body has traces of long storage. But that has no effect on function.

Format: APS-C (crop)
Type: Fixed focal length (fixed)
Focus: Manual focus
System: OCT-19
Optical design: 8 elements in 6 groups

Main technical data:
Focal length, mm - 18.12
Relative hole - 1:2.8
Angular field of view, gr - 76
Working distance, mm - 29.4
Anterior focal length, mm - 44.11
Rear focal length, mm - 22.68
Light transmission coefficient - 0.75
Resolving power, lin/mm
in the center - 64
along the edge of the field - 27
Number of lenses - 6
Light diameter of the first surface, mm - 80.4
Light diameter of the last surface, mm - 11

Structural elements:
The largest diameter of the frame, mm - 99
Frame length with caps, mm - 89
Connecting thread - SpM 21x0.5
Landing dimensions for nozzles:
smooth (diameter), mm - 99
Weight, g - 411

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Please note that delivery may be delayed due to general situation in the world.

Usual shipping time(with tracking) to EU 7-17 days,USA and Canada 12-35 days, other world 15-45 days. In very rare cases it may be due to customs issues or holiday delays.

This is a used item and may have traces of usage.  Purchasing old/vintage/used equipment please make sure it is compatible with your new cameras, lenses etc. you are going to use it with. 
Please note that the delivery takes place from aboard, therefore customs fees are possible.
Import duties, taxes and charges are not included in the item price or shipping cost. These must be paid by the buyer depending on the destination country. 

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