Viltrox AF 9mm F2.8 Z 9mm
Yongnuo YN23mm F1.4S DA DSM 23mm
What Buyers Say
Viltrox AF 9mm F2.8 Z 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
Yongnuo YN23mm F1.4S DA DSM 23mm
The Sony FE 70-200mm f/2.8 GM OSS II lens receives overwhelmingly positive feedback for its sharpness, fast autofocus, and excellent build quality. Users highlight its performance in low light and video work, with many noting it as a significant upgrade. A few Q&A entries address concerns about internal movement when off, which is confirmed as normal stabilizer behavior.
Pros
- Sharp image quality
- Fast and quiet autofocus
- Excellent build quality
- Great low-light performance
- Internal zoom mechanism
Cons
- Internal movement when off (normal but concerning)
- Heavier than similar lenses
- Not parfocal
- Focus-by-wire system
Scores
Specifications
| Viltrox AF 9mm F2.8 Z 9mm | Yongnuo YN23mm F1.4S DA DSM 23mm | |
|---|---|---|
| Optics | ||
| Type | wide-angle | prime |
| Focal Length Min | 9 mm | 23 mm |
| Focal Length Max | 9 mm | 23 mm |
| Elements | 13 | 11 |
| Groups | 11 | 9 |
| Aspherical Elements | 2★ | — |
| ED Elements | 3 | 3 |
| Coating | HD multilayer nano coating | nano-multilayer 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 | Nikon Z | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.17 kg★ | 0.37 kg |
| Filter Thread | 58 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | STM★ | DSM digital stepping motor |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 130 mm | 23 mm★ |
| Max Magnification | 0.15x★ | 0.1x |
Pros & Cons
Viltrox AF 9mm F2.8 Z 9mm
- Strong build (87th percentile)87th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
- Strong optical (84th percentile)84th %ile
- Below average social proof (12th percentile)12th %ile
- Below average versatility (34th percentile)
- Below average stabilization (35th percentile)
Yongnuo YN23mm F1.4S DA DSM 23mm
- Strong social proof (99th percentile)99th %ile
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong user sentiment (91st percentile)91st %ile
- Below average versatility (34th percentile)
Verdict
Scores 94 overall, wins 8 of 9 usage categories and 4 of 21 specs.