The Olympus Auto-S 55mm f/1.2 is a lens for the OM system. It was introduced in the 1970s. The production facility was located in Japan.
The fixed focal length has a focal length of 55 mm. It can therefore be counted among the group of standard lenses. f/1.2 is the largest aperture of the lens. f/16 is the smallest available aperture. The sharpness has to be adjusted manually with this specimen. A distance of 45 cm must be kept for a sharp subject.
The lens can be used with cameras with Olympus OM mount. It is also possible to use it on a digital camera. For this, an additional adapter for the respective lens mount is needed.
The Olympus Auto-S 55mm f/1.2 is composed of seven elements in six groups. Can a filter be attached to the lens? Yes, on the 55mm thread. A lens hood can be attached. The manufacturer specifies a weight of 310 grams and a length of 4.7 cm.
Technical datasheet
| Attribute | Specification |
|---|---|
| Biggest aperture | f/1.2 |
| Smallest aperture | f/16 |
| Minimum focus distance | 45 cm |
| Number of elements | 7 |
| Number of groups | 6 |
| Filter thread | 55 mm |
| Weight | 310 g |
| Country of production | Japan |