9 mm f/2.8 vs M.Zuiko Digital 9 mm f/8.0 Fisheye
AstrHori
9 mm f/2.8
Olympus
M.Zuiko Digital 9 mm f/8.0 Fisheye
Here we are comparing the AstrHori 9 mm f/2.8 and the Olympus M.Zuiko Digital 9 mm f/8.0 Fisheye. The AstrHori 9 mm f/2.8 is a 9mm wide-angle prime lens with a maximum aperture of f/2.8, released in 2025. The Olympus M.Zuiko Digital 9 mm f/8.0 Fisheye is a 9mm wide-angle prime lens with a maximum aperture of f/8, released in 2014.
There is a 11 years difference between the Olympus M.Zuiko Digital 9 mm f/8.0 Fisheye and the AstrHori 9 mm f/2.8 — the newer design may benefit from more recent optical engineering and coatings.
Below you will find a detailed side-by-side comparison of their specifications, features, and key differences.
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| Compare | Fastest Aperture | |
|---|---|---|
| Mount | ||
| Sensor Size | APS-C | MFT |
| Best For | - | Budget |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 9 mm | 9 mm |
| Aperture | f/2.8 | f/8 |
| Aperture Blades | 7 | 1 |
Features | ||
| Autofocus | Yes | No |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.2 m | 0.2 m |
| Max. Magnification | 0.05x | - |
Physical Specifications | ||
| Weight | 307 g | 30 g |
| Length | 62 mm | 12.8 mm |
| Diameter | 66 mm | 56 mm |
| Filter Thread | - | - |
Price & Availability | ||
| Release Year | 2025 | 2014 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing AstrHori 9 mm f/2.8 (9 mm, f/2.8) and Olympus M.Zuiko Digital 9 mm f/8.0 Fisheye (9 mm, f/8).
Olympus M.Zuiko Digital 9 mm f/8.0 Fisheye is the lightest at 30 g, AstrHori 9 mm f/2.8 weighs 307 g.
AstrHori 9 mm f/2.8 offers the fastest maximum aperture at f/2.8, allowing for better low-light performance and shallower depth of field.
AstrHori 9 mm f/2.8 can focus closest at 0.2 m minimum focus distance.
Use the detailed comparison table below to see all specifications side-by-side and find the perfect lens for your photography needs.
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