Viltrox AF 9mm F2.8 XF 9mm
Sigma Sports 70-200mm f/2.8 DG DN OS
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
Sigma Sports 70-200mm f/2.8 DG DN OS
Reviewers consistently praise the Sigma 70-200mm f/2.8 DG DN OS Sports Lens for its stellar image sharpness, fast autofocus, and excellent build quality, often calling it a fantastic value compared to pricier OEM alternatives. Many users highlight the internal zoom and solid magnesium construction as standout features. The most common and significant drawback is the lens's heavy weight, which can cause fatigue during extended handheld use. A few users also note a tight zoom ring initially and incompatibility with some filter systems.
Pros
- Exceptional image sharpness
- Fast and accurate autofocus
- Excellent build quality
- Great value for the money
- Internal zoom mechanism
Cons
- Heavy weight
- Non-removable tripod collar
- Tight zoom ring initially
- No front filter threads
- Limited button customization
Scores
Specifications
| Viltrox AF 9mm F2.8 XF 9mm | Sigma Sports 70-200mm f/2.8 DG DN OS | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 9 mm | 70 mm |
| Focal Length Max | 9 mm | 200 mm |
| Elements | 13 | 20 |
| Groups | 11 | 15 |
| Aspherical Elements | 2 | 3★ |
| ED Elements | 3 | 10★ |
| Coating | HD multilayer nano coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Fujifilm X | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.17 kg★ | 1.34 kg |
| Filter Thread | 58 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HSM |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 7.5 stops★ |
| Focus | ||
| Min Focus Distance | 130 mm★ | 650 mm |
| Max Magnification | 1:6.66 | 1:5.2 |
Pros & Cons
Viltrox AF 9mm F2.8 XF 9mm
- Strong macro (89th percentile)89th %ile
- Strong build (87th percentile)87th %ile
- Strong social proof (87th percentile)87th %ile
- Strong aperture (86th percentile)86th %ile
- Below average versatility (34th percentile)
Sigma Sports 70-200mm f/2.8 DG DN OS
- Strong optical (100th percentile)100th %ile
- Strong stabilization (100th percentile)100th %ile
- Strong social proof (82nd percentile)82nd %ile
- Strong versatility (80th percentile)80th %ile
- Below average build (20th percentile)20th %ile
- Below average aperture (21st percentile)
Verdict
Scores 88 overall, wins 8 of 9 usage categories and 3 of 22 specs.