Product Specifications
| Focal Length | 21mm |
| Maximum Aperture | f/22 |
| Minimum Aperture | f/2.8 |
| Camera Mount Type | Leica M |
| Angle of View | 90° |
| Minimum Focus Distance | 1.6′ / 50 cm |
| Maximum Reproduction Ratio | 1:21 |
| Optical Design | 9 Elements in 7 Groups |
| Diaphragm Blades | 10 |
| Filter Thread | 46mm |
| Dimensions | L: 2.5″ / L: 64.0 mm |
| Weight | 10.6 oz / 300 g |
