Sigma 21-35mm F3.5-4.2
Announced February 1986
Sigma Ultra Wide Angle Zoom 21-35mm F3.5-4.2
| Specifications | |
| Construction | NA Elements in NA Groups |
| Focal Length | 21-35mm |
| Maximum Aperture | ƒ22 |
| Minimum Aperture | ƒ3.5-4.5 |
| Field of View | NA ° |
| Minimum Focus Distance | NA cm |
| Number of blades | 6 |
| Maximum Magnification | 1:12 |
| Zooming System | Rotary, Clockwise |
| Filter Size | NA mm |
| Diameter | NA mm (max.) |
| Length | NA mm |
| Weight | NA g |
| SRP at launch: | NA |
| Available Mounts: | AF: Canon, Sigma, Minolta, Pentax, Nikon
MF: Nikon, Canon, Minolta, Pentax, Olympus, Ricoh, Contax, Yashica. |