Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
Sigma Contemporary 16mm f/1.4 DC DN 16mm
买家怎么说
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
腾龙17-70mm f/2.8 Di III-A VC RXD镜头因锐度高、变焦范围广、恒定光圈和有效的防抖性能而广受好评,是APS-C相机的卓越全能镜头。用户赞赏其扎实的做工和性价比,但许多人指出它明显比套机镜头更重更大,在小型机身上会感到头重脚轻。少数评测提到长焦端色散和特定设置下的光圈叶片噪音等小问题,但整体来看评价非常积极。
优点
- 全焦段成像锐利
- 恒定 f/2.8 光圈
- 有效的防抖性能
- 快速静音自动对焦
- 17-70mm 焦段非常实用
缺点
- 对 APS-C 机身而言太重太大
- 50-70mm 端色散明显
- 光圈在 f/5.6 以上有噪音
- 变焦环初始偏紧
- 富士版本没有光圈环
Sigma Contemporary 16mm f/1.4 DC DN 16mm
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评分
规格
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sigma Contemporary 16mm f/1.4 DC DN 16mm | |
|---|---|---|
| Optics | ||
| Type | zoom | wide-angle |
| Focal Length Min | 17 mm | 16 mm |
| Focal Length Max | 70 mm | 16 mm |
| Elements | 16 | 16 |
| Groups | 12 | 13 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 5★ |
| Coating | Fluorine Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/1.4 |
| Min Aperture | f/2.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.08 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | RXD | stepping motor★ |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm | 130 mm★ |
| Max Magnification | 1:4.8★ | 0.1x |
优缺点
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
- Strong optical (90th percentile)90th %ile
- Strong versatility (90th percentile)90th %ile
- Strong bokeh (89th percentile)89th %ile
- Strong aperture (86th percentile)86th %ile
Sigma Contemporary 16mm f/1.4 DC DN 16mm
- Strong build (100th percentile)100th %ile
- Strong aperture (97th percentile)97th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (95th percentile)95th %ile
- Below average versatility (34th percentile)
价格
Sigma Contemporary 16mm f/1.4 DC DN 16mm 性价比高 1.9 倍
结论
Scores 97 overall, wins 4 of 9 usage categories and 3 of 21 specs.