Key Specs
| Focal Length | 135mm |
| Maximum Aperture | f/1.8 |
| Lens Mount | Sigma SA |
| Lens Format Coverage | Full-Frame |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 82 mm (Front) |
| Maximum Aperture | f/1.8 |
| Minimum Aperture | f/16 |
| Lens Mount | Sigma SA |
| Lens Format Coverage | Full-Frame |
| Angle of View | 18.2° |
| Minimum Focus Distance | 2.87' / 87.5 cm |
| Maximum Magnification | 0.2x |
| Optical Design | 13 Elements in 10 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 82 mm (Front) |
| Dimensions (ø x L) | 3.6 x 4.52" / 91.4 x 114.9 mm |
| Weight | 2.49 lb / 1130 g |
