Helios-103 lens 1.8/53mm for Kiev/Contax bayonet
Great lens for your Kiev/Contax rangefinder camera
Helios 103 lens is a normal angle (standard) Russian coated objective for Kiev, Contax and Bessa-2RC rangefinder cameras.
Helios 103 lens was made to replace old Jupiter-8 at latest Soviet Kiev-4 series cameras. This lens provides better image quality than old Jupiter-8, especially with color films.
All the Helios lenses are based on the Zeiss Biotar concept. Contrary to the Sonnar construction, this lenses are symmetrical. Here is a drawing on the Helios 103 lens (thanks to Peter Hennig, member of the Zeiss Historica Society).
|
Mount |
Kiev/Contax internal bayonet |
|
Field of view, degrees |
45 |
|
Focal length |
53mm |
|
Flange focal length |
31.85&+/-0.02mm |
|
Distance scale |
0.9m to inf. |
|
Manufacturer |
Arsenal (Kiev) |
|
Diameter |
48mm |
|
Length |
52mm |
|
Weight |
150gr |
|
Finish |
Black&Chrome |
|
Click Stops |
yes |
|
Diaphragm Type |
manual |
|
Diaphragm values |
1.8-22 |
|
Elements/groups |
? |
|
Resolution (center/edge) |
45/22 |
|
Filter size |
40.5x0.5mm |
Mint condition. Clean and clear optics. No oil on blades. It came with case, both caps, and factory passport.
| Focal Length Type | Fixed/Prime |
|---|---|
| Lens Focal Length | 50mm |
| Lens Series | Helios |
| Camera Type | 35mm still image camera |
| Maximum Aperture | f/1.8 |
| Lens Mount | Other/Unknown |
| Manufacturer | Arsenal (Kiev) |