| Focal Length | 20mm |
| Maximum Aperture | f/1.4 |
| Minimum Aperture | f/16 |
| Lens Mount | Leica L |
| Format Compatibility | Full-Frame |
| Angle of View | 94.5° |
| Minimum Focus Distance | 10.9" / 27.69 cm |
| Optical Design | 15 Elements in 11 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Filter Size | None |
| Dimensions (ø x L) | 3.57 x 5.11" / 90.7 x 129.8 mm |
| Weight | 2.1 lb / 950 g |
| Package Weight | 1.25 kg |
| Box Dimensions (LxWxH) | 8 x 4.8 x 4.7" |