Sigma Art 17-40mm f/1.8 DC
Pentax DA 22177 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
Pentax DA 22177 50mm
This Pentax 50mm f/1.8 lens is overwhelmingly praised for its sharpness, excellent value, and low-light performance, making it a favorite among portrait and street photographers. Users highlight its lightweight design and beautiful bokeh, though some note the plastic build and loud autofocus as minor drawbacks. A few reviewers were confused about full-frame compatibility, but most agree it's a must-have for APS-C Pentax cameras.
Pros
- razor sharp images
- excellent value for money
- great low light performance
- beautiful bokeh
- lightweight and compact
Cons
- plastic build quality
- loud autofocus
- not full frame compatible
- no lens hood included
- not weather sealed
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | Pentax DA 22177 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 50 mm |
| Focal Length Max | 40 mm | 50 mm |
| Elements | 17 | 6 |
| Groups | 11 | 5 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | SP Coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.54 kg | 0.12 kg★ |
| Filter Thread | 67 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | Autofocus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 451 mm |
| Max Magnification | 1:4.8 | 1:6.67 |
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)
Pentax DA 22177 50mm
- Strong build (93rd percentile)93rd %ile
- Strong social proof (86th percentile)86th %ile
- Strong user sentiment (76th percentile)
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (22nd percentile)
- Below average optical (31st percentile)
- Below average versatility (33rd percentile)
Pricing
Pentax DA 22177 50mm offers 3.8x better value for money
Verdict
Scores 96 overall, wins 9 of 9 usage categories and 5 of 21 specs.
