Sigma SKU: 341965 | Helix SKU: SM341965
| Lens Construction | 17 elements in 12 groups |
| Angle of View | 63.4° |
| Number of Diaphragm Blades | 11 (rounded) |
| Maximum Aperture | F1.2 |
| Minimum Aperture | F16 |
| Minimum Focusing Distance | 30cm / 11.8 in. |
| Filter Size | 82mm |
| Maximum Magnification | 1: 5.1 |
| Weight |
L-Mount: 1,090g / 38.4 oz. Sony E: 1,080g / 38.1 oz. |
| Dimensions (Diameter x Length |
L-Mount: 87.8 x 136.2mm / 3.5 x 5.4 in. Sony E: 87.8mm x 138.2mm / 3.4 x 5.4 in. |