The Olympus AF 70-210mm f/3.5-4.5 is a zoom lens. It was manufactured until the 1990s. Production probably took place in a factory in Japan.
The focal length is changed by turning the lens barrel. The zoom factor is 3. The range is from 70 mm to 210 mm. The aperture at one end is f/3.5. At the telephoto end it is specified as f/4.5. For sharp pictures, you have to keep at least 60 cm distance.
The Olympus AF 70-210mm f/3.5-4.5 is composed of twelve elements in nine groups. A filter can be screwed to the 55 mm thread. Filters with this diameter are easy to get. You can choose between different manufacturers. The lens weighs 790 grams. The length is specified with 12.5 cm.
The lens can theoretically use with cameras with Olympus OM mount. However, it is an electronically controlled autofocus lens. Aperture and focus are set by the camera electronics and cannot be changed manually on the lens itself. Therefore, it can only be used with two models in the series, the OM-707 (OM-77 AF) and OM-101 PF (OM-88). The use on other models of the OM series or modern digital cameras is not possible, because just the control options are missing.
Technical datasheet
| Attribute | Specification |
|---|---|
| Minimal focal length | 70 mm |
| Maximum focal length | 210 mm |
| Zoom factor | 3 |
| Biggest aperture (wide angle) | f/3.5 |
| Biggest aperture (tele) | f/4.5 |
| Smallest aperture | f/27 |
| Minimum focus distance | 60 cm |
| Number of elements | 12 |
| Number of groups | 9 |
| Filter thread | 55 mm |
| Weight | 790 g |