Sigma 50mm F2.8 Macro
Launched September 1988
SIGMA NEW 50mm F2.8 Macro
To maintain high optical performance from infinity subject to closest distance of life size photography, it incorporates a floating lens element system. In addition, it is designed as a quick focusing macro lens by proper deployment of lens power.
| Specifications | |
| Construction | 9 Elements in 10 Groups |
| Focal Length | 50mm |
| Maximum Aperture | ƒ2.8 |
| Minimum Aperture | ƒ22 |
| Field of View | 48° |
| Minimum Focus Distance | 19cm |
| Number of blades | N/A |
| Maximum Magnification | 1:1 |
| Zooming System | N/A |
| Filter Size | 52mm |
| Diameter | 66.5mm (max.) |
| Length | 59.5mm |
| Weight | 320g |
| SRP at launch: | N/A |
| Available Mounts: | |