LOMO OKS6-75-1 2/75mm lens in Konvas OCT-18 mount, #8500710
The lens was made at LOMO in 1985 (#8500710, quite unusual 7-digits serial number instead of common 6-digits). Latest modification of the this focal length LOMO standard primes.
Cine optics gives soft image. 75mm focal length is one of the best choices for portrait photography. The lens covers full 35mm frame (24x36mm) easily (though it was purposed for 35mm film movie cameras). Depth of field is shallow enough to separate an object from background clearly, that gives excellent impression and add cine-like feeling to a video shot with such lens. Combine all this factors, and you'll understand why so many people hunting for such lenses to adapt them for their DSLR's and camcorders.
T/2.3-16. Focuses from 1m.
Excellent used condition. Mechanics is smooth. Glass is clean and clear. Nothing worse than some tiny cleaning marks and few dust particles that will not affect image quality.