Sigma Contemporary 18-50mm f/2.8 DC DN
TTArtisan AF 40mm f/2 40mm
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 40mm f/2 40mm
The TTArtisan 40mm f/2.0 pancake lens receives mixed feedback from users. While many praise its compact metal build, satisfying aperture ring, and excellent value for the price, significant issues with autofocus performance—including hunting, pulsing, and noise—are frequently mentioned. Image quality is generally good, but users note heavy vignetting and flare when shooting into strong light. Overall, it is seen as a budget-friendly option with trade-offs in AF reliability.
Pros
- Compact metal build
- Satisfying aperture ring
- Excellent value for money
- Good image quality
- Fast f/2.0 aperture for low light
Cons
- Poor autofocus performance
- Loud autofocus motor
- Heavy vignetting
- Flare when shooting into light
- Occasional misconnection with camera
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | TTArtisan AF 40mm f/2 40mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 40 mm |
| Focal Length Max | 50 mm | 40 mm |
| Elements | 13 | 9 |
| Groups | 10 | 6 |
| 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/2 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg | 0.18 kg★ |
| Filter Thread | 55 mm | 52 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM Stepping AF Motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 400 mm |
| Max Magnification | 1:2.8★ | — |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (86th percentile)86th %ile
TTArtisan AF 40mm f/2 40mm
- Strong build (87th percentile)87th %ile
- Strong af (86th percentile)86th %ile
- Below average user sentiment (5th percentile)5th %ile
- Below average bokeh (31st percentile)
- Below average versatility (34th percentile)
Pricing
Sigma Contemporary 18-50mm f/2.8 DC DN
TTArtisan AF 40mm f/2 40mm
No current pricing available
Verdict
Scores 99 overall, wins 9 of 9 usage categories and 5 of 21 specs.
