Canon EF-S 18-135mm f/3.5-5.6 IS USM
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
买家怎么说
Canon EF-S 18-135mm f/3.5-5.6 IS USM
佳能EF-S 18-135mm f/3.5-5.6 IS STM镜头被广泛称赞为APS-C相机上多功能的全能旅行镜头。用户一致强调其安静流畅的STM自动对焦、有效的图像稳定以及覆盖从广角到中长焦的实用变焦范围。虽然对于套机镜头来说画质被认为非常好,但一些评论者指出在极端焦距下画质偏软、18mm处有桶形畸变,以及可变光圈限制了弱光性能。做工被描述为以塑料为主但尚可,不过电子对焦环和偶尔发涩的变焦环受到了批评。
优点
- 安静流畅的STM自动对焦
- 有效的图像稳定
- 多功能的18-135mm变焦范围
- 套机镜头中良好的画质
- 轻巧紧凑的设计
缺点
- 极端焦距下画质偏软
- 18mm处桶形畸变
- 可变光圈限制弱光使用
- 电子对焦环
- 塑料机身感觉廉价
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
评分
规格
| Canon EF-S 18-135mm f/3.5-5.6 IS USM | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 18 mm | 17 mm |
| Focal Length Max | 135 mm | 70 mm |
| Elements | 16 | 16 |
| Groups | 12 | 12 |
| Aspherical Elements | 1 | 3★ |
| ED Elements | 1 | 2★ |
| Coating | Super Spectra Coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/3.5 | f/2.8 |
| Min Aperture | 3.5-5.6 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Canon EF-S | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.52 kg★ | 0.54 kg |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | NANO USM★ | RXD |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | 4 stops★ | — |
| Focus | ||
| Min Focus Distance | 390 mm | 190 mm★ |
| Max Magnification | 0.28x | 1:4.8★ |
优缺点
Canon EF-S 18-135mm f/3.5-5.6 IS USM
- Strong versatility (96th percentile)96th %ile
- Strong af (94th percentile)94th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong optical (81st percentile)81st %ile
- Below average user sentiment (30th percentile)
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
价格
Canon EF-S 18-135mm f/3.5-5.6 IS USM
No current pricing available
Tamron Di III 17-70mm f/2.8 Di III-A VC RXD
结论
Scores 97 overall, wins 5 of 9 usage categories and 7 of 22 specs.