Olympus OM-System Zuiko Auto-W 24mm f/2.8
The Olympus OM-System Zuiko Auto-W 24mm f/2.8 is a 24mm f/2.8 manual-focus lens for the Olympus OM mount, made by Olympus from 1975-1980s. It uses 8 elements / 7 groups, retrofocus wide angle. Typical used value is $90 to $300, with most examples near $160, and it adapts to Sony E, Fuji X, MFT, Canon RF, Nikon Z, and L-mount with a plain mechanical adapter.
Olympus OM-System Zuiko Auto-W 24mm f/2.8 specifications
Olympus OM-System Zuiko Auto-W 24mm f/2.8 specifications
| Brand | Olympus |
|---|---|
| Model | OM-System Zuiko Auto-W 24mm f/2.8 |
| Focal length | 24 mm |
| Maximum aperture | f/2.8 |
| Native mount | Olympus OM |
| Production years | 1975-1980s |
| Optical design | 8 elements / 7 groups, retrofocus wide angle |
| Adapts to | Sony EFuji XMFTCanon RFNikon ZL-mount |
Why collectors want it
A compact and well corrected wide angle that is sharp across the frame stopped down. It is a practical vintage wide for full-frame mirrorless with modest size and weight. Color and contrast are good for its era.
Mount and adapters for the OM-System Zuiko Auto-W 24mm f/2.8
The Olympus OM-System Zuiko Auto-W 24mm f/2.8 has a native Olympus OM mount. Olympus OM is the compact 1972 bayonet with a 46.0mm register designed by Yoshihisa Maitani for the OM-1 system. Every mirrorless mount has a shorter register than 46mm, so a plain mechanical adapter puts the lens at its design distance and infinity focus is preserved. Plain adapter ring. Turning the front aperture ring stops the lens down directly on an adapter.
| Camera system | Adapter | Infinity focus | Frames like | Guide |
|---|---|---|---|---|
| Sony E | Plain mechanical, 28mm | Yes | 24mm on full frame; 36mm on APS-C (1.5x) | Olympus OM to Sony E |
| Fuji X | Plain mechanical, 28.3mm | Yes | 36mm on APS-C (1.5x) | Olympus OM to Fuji X |
| MFT | Plain mechanical, 26.75mm | Yes | 48mm on Four Thirds (2x) | Olympus OM to MFT |
| Canon RF | Plain mechanical, 26mm | Yes | 24mm on full frame; 38mm on APS-C (1.6x) | Olympus OM to Canon RF |
| Nikon Z | Plain mechanical, 30mm | Yes | 24mm on full frame; 36mm on APS-C (1.5x) | Olympus OM to Nikon Z |
| L-mount | Plain mechanical, 26mm | Yes | 24mm on full frame; 36mm on APS-C (1.5x) | Olympus OM to L-mount |
Frequently asked
What mount is the Olympus OM-System Zuiko Auto-W 24mm f/2.8?
The Olympus OM-System Zuiko Auto-W 24mm f/2.8 has a native Olympus OM mount. Olympus OM is the compact 1972 bayonet with a 46.0mm register designed by Yoshihisa Maitani for the OM-1 system. With a plain mechanical adapter it fits Sony E, Fuji X, MFT, Canon RF, Nikon Z, and L-mount bodies and keeps infinity focus.
How much is the Olympus OM-System Zuiko Auto-W 24mm f/2.8 worth in 2026?
A used Olympus OM-System Zuiko Auto-W 24mm f/2.8 typically sells for $90 to $300, with most clean working examples near $160. Basis: eBay sold listings and KEH, 2024-2025. This is an estimate, not an appraisal; condition, variant, and service history move the number.
Does the Olympus OM-System Zuiko Auto-W 24mm f/2.8 work on Sony E, Fuji X, and MFT?
Yes. Olympus OM has a 46mm register and every mirrorless mount is shorter (16mm to 20mm), so a simple Olympus OM adapter reaches infinity with no optics. On a full-frame body the Olympus OM-System Zuiko Auto-W 24mm f/2.8 frames as a 24mm lens; on APS-C (1.5x) it frames like a 36mm, on Canon APS-C (1.6x) like a 38mm, and on Micro Four Thirds (2x) like a 48mm. Plain adapter ring. Turning the front aperture ring stops the lens down directly on an adapter.
When was the Olympus OM-System Zuiko Auto-W 24mm f/2.8 made?
Olympus made the OM-System Zuiko Auto-W 24mm f/2.8 from 1975-1980s. That puts the Olympus OM-System Zuiko Auto-W 24mm f/2.8 3 years into the life of the Olympus OM mount, which appeared in 1972 on the Olympus M-1, renamed OM-1 in 1973.
What is the optical design of the Olympus OM-System Zuiko Auto-W 24mm f/2.8?
The Olympus OM-System Zuiko Auto-W 24mm f/2.8 uses 8 elements / 7 groups, retrofocus wide angle. Retrofocus wide angles put a negative group in front so the rear element clears an SLR mirror box, which is why they are larger than rangefinder wides of the same focal length.
Which lenses are similar to the Olympus OM-System Zuiko Auto-W 24mm f/2.8?
Close alternatives in the same focal class are the Carl Zeiss Distagon T* 28mm f/2.8 (C/Y) (28mm f/2.8, $180 to $550), the Carl Zeiss Jena Flektogon 20mm f/4 (20mm f/4, $250 to $750), and the Carl Zeiss Jena Flektogon 35mm f/2.4 (35mm f/2.4, $130 to $380). The Carl Zeiss Jena Flektogon 35mm f/2.4 is faster.
Alternatives to the OM-System Zuiko Auto-W 24mm f/2.8
Lenses within 15mm of 24mm from other makers, ranked by how close they sit in focal length, aperture, and price.