Sigma Art 17-40mm f/1.8 DC
TTArtisan APS-C 25mm f/2 25mm
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
TTArtisan APS-C 25mm f/2 25mm
The TTArtisan 25mm f/2 lens is widely praised for its excellent value, compact size, and solid build quality. Users highlight its sharpness, bright aperture, and manual focus capabilities, making it ideal for learning photography or street shooting. Some note minor issues like flaring and the screw-thread lens cap, but overall it delivers impressive performance for the price.
Pros
- Excellent value for money
- Compact and lightweight
- Solid build quality
- Sharp image quality
- Bright f/2 aperture
Cons
- No autofocus
- No EXIF data
- Screw-thread lens cap
- Some flaring
- Not fully pancake
Scores
Specifications
| Sigma Art 17-40mm f/1.8 DC | TTArtisan APS-C 25mm f/2 25mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 25 mm |
| Focal Length Max | 40 mm | 25 mm |
| Elements | 17 | 7 |
| Groups | 11 | 5 |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/1.8 | f/16 |
| Min Aperture | f/1.8 | f/2 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 11★ | 7 |
| Build | ||
| Mount | Fujifilm X | Micro Four Thirds |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.54 kg | 0.31 kg★ |
| Filter Thread | 67 mm | 43 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm | 250 mm★ |
| Max Magnification | 1:4.8 | 1:4 |
Pros & Cons
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
TTArtisan APS-C 25mm f/2 25mm
- Strong macro (77th percentile)
- Strong social proof (73rd percentile)
- Strong build (73rd percentile)
- Below average optical (2nd percentile)2nd %ile
- Below average af (15th percentile)15th %ile
- Below average bokeh (30th percentile)
- Below average versatility (34th percentile)
Verdict
Scores 97 overall, wins 9 of 9 usage categories and 5 of 21 specs.