The Olympus Zuiko Auto-W 18mm f/3.5 is a lens from the Olympus brand. It was produced in a factory in Japan. It was introduced in the mid-1970s.
The focal length of the lens is given as 18mm. Therefore, it belongs to the group of super wide-angle lenses. The largest aperture of the fixed focal length is f/3.5. f/16 can be set as the smallest aperture.
The focus has to be adjusted manually every time with this model. The manufacturer states 25 cm as the closest focusing distance. The angle of view is 100 degrees.
The lens can be used with cameras of the OM system.
The Olympus Zuiko Auto-W 18mm f/3.5 is composed of 11 elements in 7 groups. A 72 mm filter lens, for example an orange filter, can be attached to the lens hood. According to the manual, the weight is 250 grams.
Technical datasheet
| Attribute | Specification |
|---|---|
| Biggest aperture | f/3.5 |
| Smallest aperture | f/16 |
| Minimum focus distance | 25 cm |
| Number of elements | 11 |
| Number of groups | 7 |
| Filter thread | 72 mm |
| Weight | 250 g |
| Country of production | Japan |