Industar-61 L/Z
Specification
| Mount | M42x1 |
|---|---|
| Focal length, mm | 50 |
| Maximum aperture | f/2.8 |
| Minimum focusing distance | 30 cm |
| Diaphragm action | manual |
| Angle of View | 46° |
| Filter size | 49 mm |
| Construction | 7 elements in 3 groups |
| Dimensions, (Diameter x Length) | 53x53 mm |
| Weight, kg | 0.23 |