MMZ HELIOS 44M F2/58MM SOVIET LENS KMZ
The Helios 44M is a six-celled anastigmat with single-layer or multi-layer (MS) clarification based on the Biotar 2/58 lens (Carl Zeiss Jena).
According to the optical scheme - planar. One of the most common lenses of the USSR, which were equipped with cameras Zenit mount M42.
Specifications:
Format: 35mm mirror
Type: Constant focal length (fixed)
Focus: Manual Focus
System: M42
Optical design: 6 elements in 4 groups
Focal length: 58mm
Aperture: f / 2.0 - f / 16
Petal Aperture: 8
Diameter of filter thread: 49mm
Weight: 270g
Length: 42mm