Sigma Contemporary 18-50mm f/2.8 DC DN
Canon EF-S 18-200mm f/3.5-5.6 IS
买家怎么说
Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma 18-50mm f/2.8 DC DN Contemporary 被广泛称赞为 APS-C 无反相机的一款紧凑、轻便且锐利的标准变焦镜头。用户一致强调其出色的图像质量、快速的 f/2.8 光圈和实惠的价格是主要优势,使其成为套机镜头的热门升级选择。常见的批评包括缺乏光学防抖和遮光罩设计不佳,但总体情绪极为积极。
优点
- 出色的图像锐度
- 紧凑轻巧的设计
- 快速恒定的 f/2.8 光圈
- 物超所值
- 快速安静的自动对焦
缺点
- 无光学防抖
- 遮光罩设计不佳
- 无防尘防滴
- 塑料制造工艺
- 变焦环方向与富士相反
Canon EF-S 18-200mm f/3.5-5.6 IS
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评分
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon EF-S 18-200mm f/3.5-5.6 IS | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 18 mm |
| Focal Length Max | 50 mm | 200 mm |
| Elements | 13 | 16 |
| Groups | 10 | 12 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Super Spectra coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/3.5 |
| Min Aperture | f/2.8 | 3.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7★ | 6 |
| Build | ||
| Mount | Sony E | Canon EF-S |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | — |
| Weight | 0.29 kg | 0.11 kg★ |
| Filter Thread | 55 mm | 72 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | DC Micro Motor |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 457 mm |
| Max Magnification | 1:2.8★ | — |
优缺点
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
Canon EF-S 18-200mm f/3.5-5.6 IS
- Strong versatility (98th percentile)98th %ile
- Strong build (96th percentile)96th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong optical (88th percentile)88th %ile
结论
Scores 99 overall, wins 8 of 9 usage categories and 7 of 22 specs.