Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 Overall Score
vs
BM Premium High-Power 420-800mm f/8.3 HD Manual Telephoto 420mm
BM Premium
40 Overall Score
Scores
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
Specifications
| Sigma Contemporary 18-50mm f/2.8 DC DN | BM Premium High-Power 420-800mm f/8.3 HD Manual Telephoto 420mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 420 mm |
| Focal Length Max | 50 mm | 800 mm |
| Elements | 13 | — |
| Groups | 10 | — |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | multi-coated optical glass |
| Aperture | ||
| Max Aperture | f/2.8 | f/8.3 |
| Min Aperture | f/2.8 | f/8.3 |
| Constant | ✓★ | — |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Nikon F |
| Format | APS-C★ | — |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg★ | — |
| Filter Thread | 55 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 420 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 af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
BM Premium High-Power 420-800mm f/8.3 HD Manual Telephoto 420mm
- Strong stabilization (82nd percentile)82nd %ile
- Strong versatility (70th percentile)
- Below average social proof (9th percentile)9th %ile
- Below average af (13th percentile)13th %ile
Pricing
Sigma Contemporary 18-50mm f/2.8 DC DN0.131score per dollar
vs
BM Premium High-Power 420-800mm f/8.3 HD Manual Telephoto 420mm0.241score per dollar
BM Premium High-Power 420-800mm f/8.3 HD Manual Telephoto 420mm offers 1.8x better value for money
Verdict
Winner: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 10 of 21 specs.
