Viltrox Air AF 9mm F2.8 E 9mm
Yongnuo YN 23mm f/1.4 DA DSM WL Pro 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 YN 23mm f/1.4 DA DSM WL Pro 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 YN 23mm f/1.4 DA DSM WL Pro 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★ | 0.37 kg |
| Filter Thread | 58 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | STM★ | Digital 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 macro (90th percentile)90th %ile
- Strong social proof (90th percentile)90th %ile
- Strong build (87th percentile)87th %ile
- Strong af (85th percentile)85th %ile
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
Yongnuo YN 23mm f/1.4 DA DSM WL Pro 23mm
- Strong social proof (99th percentile)99th %ile
- Strong user sentiment (91st percentile)91st %ile
- Strong af (85th percentile)85th %ile
- Strong build (80th percentile)80th %ile
- Below average versatility (34th percentile)
Pricing
Viltrox Air AF 9mm F2.8 E 9mm offers 1.3x better value for money
Verdict
Both products are closely matched - Viltrox Air AF 9mm F2.8 E 9mm wins 4 specs while Yongnuo YN 23mm f/1.4 DA DSM WL Pro 23mm wins 2.
