Helios 44-2 2/58
Specification
| Mount | M42x1 |
|---|---|
| Focal length, mm | 58 |
| Maximum aperture | f/2.0 |
| Minimum focusing distance | 50 cm |
| Diaphragm action | manual |
| Angle of View | 40°28' |
| Filter size | 49 mm |
| Construction | 6 elements in 4 groups |
| Dimensions, (Diameter x Length) | 60x47 mm |
| Weight, kg | 0.230 |