Product Specifications
| Focal Length | 21mm |
| Maximum Aperture | f/16 |
| Minimum Aperture | f/3.4 |
| Camera Mount Type | Leica M |
| Angle of View | 91° |
| Minimum Focus Distance | 2.3′ / 70 cm |
| Maximum Reproduction Ratio | 1:29.8 |
| Optical Design | 8 Elements in 7 Groups |
| Filter Thread | 46mm |
| Dimensions | ø: 2.1 x L: 1.7″ / ø: 53.0 x L: 43.0 mm |
| Weight | 9.8 oz / 279.0 g |
| Package Weight | 1.05 lb |
| Box Dimensions (LxWxH) | 4.9 x 4.8 x 4.7″ |
