Extended Specifications Sigma 20mm f/1.4 DG HSM Art Lens for Sony E
| Lens construction |
15 elements in 11 groups
|
| Angle of view | 94.5° |
| Number of diaphragm blades |
9 (rounded diaphragm)
|
| Minimum aperture | F16 |
| Minimum focusing distance | 27.6cm |
| Maximum magnification ratio | 1:7.1 |
| Filter thread | N/A |
| Dimensions (diameter x length) |
ø90.7mm × 129.8mm
|
| Weight | 950g |
