Sigma Contemporary 18-50mm f/2.8 DC DN
TTArtisan AF 23mm f/1.8 23mm
What Buyers Say
Sigma Contemporary 18-50mm f/2.8 DC DN
The Sigma 18-50mm f/2.8 DC DN Contemporary is widely praised as a compact, lightweight, and sharp standard zoom for APS-C mirrorless cameras. Users consistently highlight its excellent image quality, fast f/2.8 aperture, and affordable price as major strengths, making it a popular upgrade from kit lenses. Common criticisms include the lack of optical stabilization and a poorly designed lens hood, but overall sentiment is overwhelmingly positive.
Pros
- Excellent image sharpness
- Compact and lightweight design
- Fast f/2.8 constant aperture
- Great value for the price
- Fast and silent autofocus
Cons
- No optical image stabilization
- Poorly designed lens hood
- No weather sealing
- Plastic build quality
- Zoom ring direction opposite to Fujifilm
TTArtisan AF 23mm f/1.8 23mm
The TTArtisan AF 23mm F1.8 lens receives mostly positive feedback for its exceptional sharpness, solid metal build, and impressive low-light performance at a budget price. However, several users report inconsistent autofocus accuracy, especially with moving subjects, and one unit failed within two months. Overall, it is seen as a great value lens that punches above its weight class.
Pros
- Exceptional sharpness for the price
- Solid metal construction
- Impressive low-light performance
- Great value for money
- USB-C port for firmware updates
Cons
- Inconsistent autofocus accuracy
- Autofocus sluggish with moving subjects
- Unit failed within 60 days
- Slightly muted colors
- Not on par with other TTArtisan releases
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | TTArtisan AF 23mm f/1.8 23mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 23 mm |
| Focal Length Max | 50 mm | 23 mm |
| Elements | 13 | 11 |
| Groups | 10 | 9 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | — |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.8 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg | 0.21 kg★ |
| Filter Thread | 55 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 300 mm |
| Max Magnification | 1:2.8★ | — |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (87th percentile)87th %ile
- Strong af (85th percentile)85th %ile
TTArtisan AF 23mm f/1.8 23mm
- Strong af (85th percentile)85th %ile
- Strong build (84th percentile)84th %ile
- Strong macro (71st percentile)
- Below average user sentiment (16th percentile)16th %ile
- Below average versatility (33rd percentile)
Pricing
Verdict
Scores 99 overall, wins 9 of 9 usage categories and 6 of 21 specs.
