Sigma Contemporary 18-50mm f/2.8 DC DN
Viltrox AF 15mm F1.7 E 15mm
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
Viltrox AF 15mm F1.7 E 15mm
This Viltrox lens range receives overwhelmingly positive feedback for its exceptional value, sharpness, and fast apertures. Users consistently praise the image quality and build, noting it punches far above its price point. A minority report issues with chromatic aberration, noisy autofocus in video, firmware updates, and occasional defective units, but the general sentiment is that these are excellent budget primes.
Pros
- Excellent sharpness
- Fast aperture (f/1.2, f/1.7, f/1.8)
- Great value for money
- Solid build quality
- Fast and accurate autofocus
Cons
- Chromatic aberration in high contrast scenes
- Noisy autofocus in video
- Aperture ring moves too easily
- Firmware update process is cumbersome
- Occasional defective units
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Viltrox AF 15mm F1.7 E 15mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 15 mm |
| Focal Length Max | 50 mm | 15 mm |
| Elements | 13 | 12 |
| Groups | 10 | 10 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 3★ |
| Coating | Super Multi-Layer Coating | splash-resistance and anti-fouling coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/16 |
| Min Aperture | f/2.8 | f/1.7 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg | 0.18 kg★ |
| Filter Thread | 55 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 230 mm |
| Max Magnification | 1:2.8★ | 0.1x |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (90th percentile)90th %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Viltrox AF 15mm F1.7 E 15mm
- Strong build (94th percentile)94th %ile
- Strong af (85th percentile)85th %ile
- Strong optical (81st percentile)81st %ile
- Strong stabilization (80th percentile)80th %ile
- Below average user sentiment (30th percentile)
- Below average versatility (34th percentile)
- Below average macro (35th percentile)
Pricing
Viltrox AF 15mm F1.7 E 15mm offers 2.3x better value for money
Verdict
Scores 98 overall, wins 9 of 9 usage categories and 3 of 21 specs.
