The Carl Zeiss Jena Biotar 58 mm f/ 2is a standard fast prime lens for 35 mm SLR cameras with the M42 screw mount. There was a bayonet version for Exakta cameras. The bokeh of the Carl Zeiss Jena Biotar 58 mm f/ 2 has a characteristic twirling with the aperture wide open. In general, the lens renders very flexible, and, at the same time, sharp image. Back, side and scattered light is not well handled, the use of a hood is recommended. There are chromatic aberrations discernible in contrast images. The variants with multi-blade iris and instant-return apertures were produced. The aperture had the different number of blades: 17,12,10, 8. The Carl Zeiss Jena Biotar 58 mm f/ 2 is fit as an everyday kit lens. It is not bad as a portrait lens as well as an effects lens. Many photographers, manual optics fan, finally substitute it for their Gelios-44 cameras.
The lens is in EXCELLENT condition (see actual pictures). The lens #3403477. All are in working condition. The focus and aperture change smoothly. The lens is free of scratches, cleaning marks, fingus or dust inside.
Detailed description of the lens along with owner reviews from allphotolenses.com.