AstrHori MF 9mm f/2.8 9mm
AstrHori
40 Overall Score
vs
Sigma Art 17-40mm F1.8 DC
Sigma
100 Overall Score
What Buyers Say
AstrHori MF 9mm f/2.8 9mm
No customer feedback yet
Sigma Art 17-40mm F1.8 DC
95 out of 100 high confidence 36 reviews
The Sigma 17-40mm f/1.8 DC DN Art lens is overwhelmingly praised for its exceptional image quality, fast constant aperture, and compact internal zoom design. Users highlight its sharpness, lightweight build, and excellent autofocus performance, especially on crop-sensor mirrorless cameras like the Canon R7 and Fujifilm bodies. A few questions about compatibility with specific cameras and features like weather sealing and aperture ring are noted, but the overall sentiment is extremely positive.
Pros
- Exceptional image quality
- Fast constant f/1.8 aperture
- Compact internal zoom design
- Lightweight build
- Sharp and bright photos
Cons
- No weather sealing mentioned
- No manual aperture ring on some mounts
- Compatibility questions with full-frame cameras
- Expensive for some buyers
Image quality 8
Aperture 7
Build quality 6
Autofocus 4
Value for money 4
Compatibility 12
Scores
Portrait
Budget
Professional
Video Cinema
Macro
Street
Landscape
Travel
Wildlife Sports
Specifications
| AstrHori MF 9mm f/2.8 9mm | Sigma Art 17-40mm F1.8 DC | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 9 mm | 17 mm |
| Focal Length Max | 9 mm | 40 mm |
| Elements | 11 | 8 |
| Groups | 8 | 11 |
| Aspherical Elements | 1 | 4★ |
| ED Elements | 2 | 4★ |
| Coating | — | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/16 | f/1.8 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 11★ |
| Build | ||
| Mount | Canon RF | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | — | ✓★ |
| Weight | 0.31 kg★ | 0.54 kg |
| Filter Thread | 62 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | HLA (High-response Linear Actuator) |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 200 mm★ | 280 mm |
| Max Magnification | — | 1:4.8★ |
Pros & Cons
AstrHori MF 9mm f/2.8 9mm
- Strong macro (83rd percentile)83rd %ile
- Strong build (74th percentile)
- Below average social proof (6th percentile)6th %ile
- Below average af (15th percentile)15th %ile
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
Sigma Art 17-40mm F1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Strong social proof (94th percentile)94th %ile
Pricing
AstrHori MF 9mm f/2.8 9mm0.013score per dollar
vs
Sigma Art 17-40mm F1.8 DC0.005score per dollar
AstrHori MF 9mm f/2.8 9mm offers 2.6x better value for money
Verdict
Winner: Sigma Art 17-40mm F1.8 DC
Scores 100 overall, wins 9 of 9 usage categories and 7 of 21 specs.
