Sigma 500mm F4 Mirror Tele
Introduced ??
Details on these older lenses will follow as more information is recovered from the archives!
| Specifications | |
| Construction | |
| Focal Length | 500mm |
| Maximum Aperture | ƒ4 |
| Minimum Aperture | ƒ4 |
| Field of View | |
| Minimum Focus Distance | |
| Number of blades | |
| Maximum Magnification | |
| Zooming System | |
| Filter Size | |
| Diameter | ? |
| Length | ? |
| Weight | ? |
| SRP at launch: | ? |
| Available Mounts: | T-Mount |