A Simple and reliable design of the lens.
Completely metal frame, optical coating, simplicity in uses.
Through the adapter, it is installed on modern digital cameras.
In the center of the lens are quite sharp images even at f/2.0. On diaphragms covered with edges and corners images bounce back. Like other lenses HELIOS-44 family, version 44 tightens up the background - the legendary 'Twisted bokeh'.
13 blades give You perfect bokeh. Rare version of the lens.
It allows the focus to infinity.
Install, remove and operate lens smoothly.
Super smooth surface finishing and made of metal, sturdy enough.
Color: Silver;
Material: Metal ;
Suitable: for M39 Lens;
FEATURES:
Lens mount: M39
Focal length: 58mm
Relative aperture: 1:2
The scale of diaphragms: from 2 to 16
Diaphragm: Manual
Focusing range: from 0.5m to 20m to infinity
Made in the USSR by the optical-mechanical plant "Jupiter".
Optical scheme: 6 lenses in 4 groups.
This optical scheme is a Zeiss Biotar copy.
Has a 13-blades iris.