Viltrox Air AF 9mm F2.8 E 9mm
Yongnuo YN23mm F1.4S DA DSM WL 23mm
What Buyers Say
Viltrox Air AF 9mm F2.8 E 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 WL 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 Air AF 9mm F2.8 E 9mm | Yongnuo YN23mm F1.4S DA DSM WL 23mm | |
|---|---|---|
| Optics | ||
| Type | prime | 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/16 | f/16 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.17 kg★ | 0.36 kg |
| Filter Thread | 58 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | STM★ | DSM stepping motor |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 130 mm★ | 300 mm |
| Max Magnification | 1:6.66 | 1x |
Pros & Cons
Viltrox Air AF 9mm F2.8 E 9mm
- Strong social proof (91st percentile)91st %ile
- Strong macro (89th percentile)89th %ile
- Strong build (87th percentile)87th %ile
- Strong af (85th percentile)85th %ile
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
Yongnuo YN23mm F1.4S DA DSM WL 23mm
- Strong user sentiment (91st percentile)91st %ile
- Strong af (85th percentile)85th %ile
- Strong stabilization (80th percentile)80th %ile
- Strong build (80th percentile)80th %ile
- Below average versatility (34th percentile)
Verdict
Scores 72 overall, wins 7 of 9 usage categories and 4 of 21 specs.