Sigma Contemporary 18-50mm f/2.8 DC DN
Tamron Di III 150-500mm F5-6.7 Di III VC VXD
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
Tamron Di III 150-500mm F5-6.7 Di III VC VXD
The Tamron 150-500mm lens is widely praised for its sharpness, fast autofocus, and excellent value compared to native telephoto zooms. Many users appreciate the extra reach and image quality, though the weight is a common concern, especially for handheld use. Some reviewers note trade-offs in low-light performance and stabilization, and a few report compatibility issues with teleconverters or defective copies.
Pros
- Excellent sharpness
- Fast and accurate autofocus
- Great value for money
- Extra reach over 100-400mm
- Effective image stabilization (VC)
Cons
- Heavy for handheld use
- Average low-light performance
- Stabilization not as good as native lenses
- No teleconverter compatibility
- Some copies may be defective
Scores
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 150-500mm F5-6.7 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | zoom | super-telephoto |
| Focal Length Min | 18 mm | 150 mm |
| Focal Length Max | 50 mm | 500 mm |
| Elements | 13 | 25 |
| Groups | 10 | 16 |
| Aspherical Elements | 3★ | 1 |
| ED Elements | 1 | 5★ |
| Coating | Super Multi-Layer Coating | BBAR-G2 and fluorine coatings |
| Aperture | ||
| Max Aperture | f/2.8 | f/5 |
| Min Aperture | f/2.8 | 5-6.7 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Fujifilm X |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.73 kg |
| Filter Thread | 55 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | VXD linear autofocus motor |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 600 mm |
| Max Magnification | 1:2.8 | 1:3.1 |
Pros & Cons
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
Tamron Di III 150-500mm F5-6.7 Di III VC VXD
- Strong optical (99th percentile)99th %ile
- Strong versatility (84th percentile)84th %ile
- Strong stabilization (80th percentile)80th %ile
- Below average build (15th percentile)15th %ile
- Below average social proof (25th percentile)
- Below average user sentiment (30th percentile)
Pricing
Sigma Contemporary 18-50mm f/2.8 DC DN offers 3.2x better value for money
Verdict
Scores 99 overall, wins 9 of 9 usage categories and 5 of 21 specs.
