RARE MC Helios 44K-4 KMZ Pentax bayonet K mount Collectible USSR Biotar
You can use it with digital camera with matching adapter.
It's in good condition. Clear optics! Please see actual pictures of the item.
Tested for Canon 600D(with adapter Canon/m42) see actual portrait tested photo
TECHNICAL CHARACTERISTICS
+ 2 caps
Focus - 58 mm
Aperture - 1:2
Aperture range - 1:2-1:16
Distance range - 0.5 m -10 m -infinity
Lens working and condition!