Sigma Contemporary 18-50mm f/2.8 DC DN
Tamron Di III 70-300mm f/4.5-6.3 Di III RXD
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
Tamron Di III 70-300mm f/4.5-6.3 Di III RXD
暂无用户反馈
评分
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 70-300mm f/4.5-6.3 Di III RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 70 mm |
| Focal Length Max | 50 mm | 300 mm |
| Elements | 13 | 15 |
| Groups | 10 | 10 |
| Aspherical Elements | 3★ | 0 |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | BBAR (Broad-Band Anti-Reflection) Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/4.5 |
| Min Aperture | f/2.8 | 4.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Sony E | Nikon Z |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.55 kg |
| Filter Thread | 55 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | RXD |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 800 mm |
| Max Magnification | 1:2.8 | 1:5.1 |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (90th percentile)90th %ile
- Strong aperture (85th percentile)85th %ile
- Strong af (85th percentile)85th %ile
- Below average stabilization (35th percentile)
Tamron Di III 70-300mm f/4.5-6.3 Di III RXD
- Strong versatility (91st percentile)91st %ile
- Strong social proof (87th percentile)87th %ile
- Strong optical (71st percentile)
- Strong build (67th percentile)
- Below average stabilization (35th percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN
Tamron Di III 70-300mm f/4.5-6.3 Di III RXD
No current pricing available
结论
Scores 98 overall, wins 9 of 9 usage categories and 5 of 21 specs.