Viltrox AF 9mm F2.8 XF 9mm
OM System M.Zuiko 20mm F1.4 PRO 20mm
What Buyers Say
Viltrox AF 9mm F2.8 XF 9mm
The Viltrox lenses receive overwhelmingly positive feedback for their exceptional value, sharp image quality, and solid build. Users praise the fast apertures and autofocus performance, though some note issues with chromatic aberration in high-contrast scenes and noisy autofocus on certain models. Overall, these lenses are seen as a budget-friendly alternative that punches above their price point.
Pros
- Excellent value for money
- Sharp image quality wide open
- Solid metal construction
- Fast and accurate autofocus
- Pleasing bokeh
Cons
- Chromatic aberration in high contrast
- Noisy autofocus in video
- Slow autofocus in low light
- No weather sealing
- Front-heavy on small bodies
OM System M.Zuiko 20mm F1.4 PRO 20mm
The OM System 20mm f/1.4 Pro lens is praised for its compact size, weather sealing, and fast f/1.4 aperture, making it a versatile walk-around lens for Micro Four Thirds users. However, some reviewers note purple fringing when shooting wide open into the sun and a lack of a manual focus clutch, which is a minor drawback for some. Overall, it delivers sharp images with good build quality, though a few expected even sharper performance at f/1.4.
Pros
- Compact and lightweight design
- Excellent weather sealing
- Fast f/1.4 aperture for low light
- Sharp image quality
- Fast and accurate autofocus
Cons
- Purple fringing wide open against sun
- No manual focus clutch
- Sharpness at f/1.4 not bitingly sharp
- Chromatic aberration issues noted
Scores
Specifications
| Viltrox AF 9mm F2.8 XF 9mm | OM System M.Zuiko 20mm F1.4 PRO 20mm | |
|---|---|---|
| Optics | ||
| Type | wide-angle | prime |
| Focal Length Min | 9 mm | 20 mm |
| Focal Length Max | 9 mm | 20 mm |
| Elements | 13 | 10 |
| Groups | 11 | 9 |
| Aspherical Elements | 2★ | 1 |
| ED Elements | 3★ | 2 |
| Coating | HD multilayer nano coating | ZERO coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Fujifilm X | Micro Four Thirds |
| Format | APS-C★ | micro-four-thirds |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.17 kg★ | 0.70 kg |
| Filter Thread | 58 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | STM★ | MSC |
| Stabilization | ✓ | ✓ |
| Focus | ||
| Min Focus Distance | 130 mm★ | 249 mm |
| Max Magnification | 1:6.66 | 1:9 |
Pros & Cons
Viltrox AF 9mm F2.8 XF 9mm
- Strong macro (89th percentile)89th %ile
- Strong build (87th percentile)87th %ile
- Strong aperture (86th percentile)86th %ile
- Strong social proof (86th percentile)86th %ile
- Below average versatility (34th percentile)
OM System M.Zuiko 20mm F1.4 PRO 20mm
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (97th percentile)97th %ile
- Strong stabilization (80th percentile)80th %ile
- Strong macro (78th percentile)
- Below average social proof (9th percentile)9th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
Verdict
Scores 93 overall, wins 9 of 9 usage categories and 6 of 21 specs.