Optical Block of LOMO 2.8/75mm lens OKC4-75-1, #810130

The lens was made made at LOMO in 1981 (#810130).

This is the lens for 70mm film cameras, so image circle is large enough to cover most sensors of modern digital cameras. The lens is purposed for 23x52.5mm frome size that means 57.3mm image circle.

For sale is optical block only. It has iris diaphragm and aperture control ring, but has no focusing mount, so you'll have to adapt it to your system yourself.

Some dimensions are:

• Max. diameter: 55 mm
• Mount thread: M36x0.5
• Length: 44 mm
• Weight: 131 g

Other features:

• f/2.8; T/3.2
• Flange focal distance is 68.48mm that makes it adaptable to many cameras
• Resolution at the image center is 50 lines per mm, at the edge - 25 lpmm

Very good used condition. Aperture control ring works well. Glass has some cleaning marks and couple tiny glass chips on the rear element that will not affect image quality noticeably.

Front rim has a dent.

The lens can be used as is with some focusing system. Or you can use it as replacement unit if your lens have bad glass.