Quick answer
The Vivitar 28-85mm f/3.5-4.5 Auto Zoom is a wide-angle to short telephoto zoom lens covering 28-85mm at f/3.5 for the Olympus OM mount. Its moderate maximum aperture works best in good light or with a higher ISO.
About this lens
This 28-85mm f/3.5-4.5 manual-focus standard zoom lens from Vivitar fits Olympus OM mount cameras. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Vivitar 28-85mm f/3.5-4.5 Auto Zoom specifications
- Brand
- Vivitar
- Mount
- Olympus OM
- Focal length
- 28-85mm
- Maximum aperture
- f/3.5
- Lens type
- Zoom
What can you shoot with the Vivitar 28-85mm f/3.5-4.5 Auto Zoom?
At 28-85mm this is a wide-angle to short telephoto zoom, which typically suits:
- Landscapes and cityscapes
- Street and travel photography
- Environmental portraits and interiors
- Everyday and street photography
- Natural-perspective portraits
Its moderate maximum aperture works best in good light or with a higher ISO.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 28–85mm | 23.9–65.5° | 28.6–75.4° |
| APS-C | 1.5x | 42–128mm | 16.1–46.4° | 19.3–54.5° |
| Micro Four Thirds | 2.0x | 56–170mm | 12.1–35.6° | 14.5–42.2° |
Frequently asked questions
What mount does the Vivitar 28-85mm f/3.5-4.5 Auto Zoom use?
It uses the Olympus OM mount, so it fits Olympus OM cameras directly and can be used on other systems through a mount adapter.
What is the focal length of the Vivitar 28-85mm f/3.5-4.5 Auto Zoom?
It zooms across 28-85mm with a maximum aperture of f/3.5. That makes it a wide-angle to short telephoto lens.
Is the Vivitar 28-85mm f/3.5-4.5 Auto Zoom a prime or a zoom lens?
It is a zoom lens covering 28-85mm, so you can reframe without moving. Its maximum aperture is f/3.5.
What is the Vivitar 28-85mm f/3.5-4.5 Auto Zoom equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 42–128mm on full frame, with a 16.1–46.4° horizontal and 19.3–54.5° diagonal field of view. On Micro Four Thirds (2x crop) it frames like 56–170mm on full frame, with a 12.1–35.6° horizontal and 14.5–42.2° diagonal field of view. These figures are calculated from the focal length and crop factor.
Alternatives for Olympus OM from other brands
All Olympus OM lensesSame mount, overlapping focal range, closest maximum aperture first.
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