Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
100 综合评分
vs
Canon RF 28-70mm f/2.8 IS STM
Canon
88 综合评分
评分
Street
Travel
Budget
Professional
Macro
Portrait
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon RF 28-70mm f/2.8 IS STM | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 28 mm |
| Focal Length Max | 50 mm | 70 mm |
| Elements | 13 | 15 |
| Groups | 10 | 12 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Super Spectra Coating (SSC) |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.49 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | STM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 5.5 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 239 mm |
| Max Magnification | 1:2.8 | 1:4.2 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (88th percentile)88th %ile
- Strong build (87th percentile)87th %ile
Canon RF 28-70mm f/2.8 IS STM
- Strong stabilization (99th percentile)99th %ile
- Strong user sentiment (98th percentile)98th %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (88th percentile)88th %ile
- Below average aperture (20th percentile)20th %ile
- Below average bokeh (23rd percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN
Canon RF 28-70mm f/2.8 IS STM
No current pricing available
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 100 overall, wins 7 of 9 usage categories and 3 of 22 specs.
