| Focal Length | 20mm |
| Maximum Aperture | f/1.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Sony E |
| Format Compatibility | Full-Frame |
| Angle of View | 94° |
| Minimum Focus Distance | 7.09" / 18 cm |
| Maximum Magnification | 0.2x |
| Optical Design | 14 Elements in 12 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 67 mm (Front) |
| Dimensions (ø x L) | 2.89 x 3.33" / 73.5 x 84.7 mm |
| Weight | 373 g |
| Box Dimensions (LxWxH) | 8 x 5 x 5" |