The Olympus Zuiko Auto Zoom 50-250mm f/5 is an Olympus brand lens. The factory where the lens was built was located in Japan. It was introduced to the public in the mid-1980s.
The zoom factor is 5, and the range of selectable focal lengths goes from 50mm to 250mm. The angle of view is between 47 and 10 degrees diagonally, depending on the setting. The maximum aperture across the zoom range is f/5. The focus setting is manual on this model. The closest focusing distance is specified at 150 centimeters.
The lens can be connected to cameras with Olympus OM mount. However, with an adapter, it is also possible to use it on a modern SLR camera.
The Olympus Zuiko Auto Zoom 50-250mm f/5 is composed of 13 elements in 10 groups. A filter can be attached to the 55mm thread. According to the manual, the weight is 780 grams. With this weight, it is already at the upper end of the collection on OM lenses.
Technical datasheet
| Attribute | Specification |
|---|---|
| Minimal focal length | 50 mm |
| Maximum focal length | 250 mm |
| Zoom factor | 5 |
| Biggest aperture (wide angle) | f/5 |
| Biggest aperture (tele) | f/5 |
| Smallest aperture | f/32 |
| Minimum focus distance | 150 cm |
| Number of elements | 13 |
| Number of groups | 10 |
| Filter thread | 55 mm |
| Weight | 780 g |
| Country of production | Japan |