Sigma Art 17-40mm f/1.8 DC
Brightin Star 50mm f/1.05 50mm
What Buyers Say
Sigma Art 17-40mm f/1.8 DC
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
Brightin Star 50mm f/1.05 50mm
The Sony FE 70-200mm f/2.8 GM OSS II lens receives overwhelmingly positive feedback for its exceptional sharpness, fast autofocus, and low-light performance. Users highlight its suitability for both photography and video, with many noting it as a significant upgrade. A few Q&A entries address normal internal movement when powered off, which is a design feature of the optical stabilizer.
Pros
- Exceptional sharpness
- Fast and snappy autofocus
- Great low-light performance
- Excellent for video
- Internal zoom mechanism
Cons
- Internal movement when powered off may cause concern
- Heavier than some alternatives
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Brightin Star 50mm f/1.05 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 50 mm |
| Focal Length Max | 40 mm | 50 mm |
| Elements | 17 | 10 |
| Groups | 11 | 8 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/11 |
| Min Aperture | f/1.8 | f/1.05 |
| Constant | ✓★ | — |
| Diaphragm Blades | 11 | 15★ |
| Build | ||
| Mount | Fujifilm X | Canon RF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.54 kg★ | 0.61 kg |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 570 mm |
| Max Magnification | 1:4.8★ | — |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Below average stabilization (34th percentile)
Brightin Star 50mm f/1.05 50mm
- Strong social proof (99th percentile)99th %ile
- Strong user sentiment (93rd percentile)93rd %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Sigma Art 17-40mm f/1.8 DC
Brightin Star 50mm f/1.05 50mm
No current pricing available
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 7 of 21 specs.
