

| Specifications* | |
| Model | B005 |
| Focal distance | 17-50mm |
| Maximum aperture | F/2.8 |
| Angle of View (diagonal) | 78°45 ′- 31°11 ′ |
| Lens construction | 19 elements, 14 groups |
| Minimum focus distance | 0.29m (11.4 in) |
| Maximum magnification ratio | 1:4.8 |
| Filter thread | 72mm |
| Length | 94.5mm (3.7 in)** |
| Diameter | 79.6mm (3.13 in) |
| Weight | 570g (20.15 oz)** |
| No. of diaphragm blades | 7 |
| Minimum aperture | F/32 |
| Standard accessories | Flower-shaped lens hood |
| Compatible mounts | Canon and Nikon (with built-in AF motor) |
