Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
Tamron
100 综合评分
vs
Pentax DA* 12345 18mm
Pentax
58 综合评分
买家怎么说
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
92 满分 100 置信度中 13 条评价
腾龙28-300mm超级变焦镜头因其轻便设计、多功能焦段和可靠的成像质量而受到称赞。用户赞赏其紧凑的做工和顺滑的变焦环，但指出光圈较小，锐度相比更昂贵的变焦镜头略有不足。经过验证的购买者推荐它作为搭配索尼机身的理想旅行镜头。
优点
- 轻便设计
- 多功能28-300mm焦段
- 顺滑的变焦环
- 紧凑构造适合旅行
- 与索尼机身良好兼容
缺点
- 最大光圈较小 (f/4-7.1)
- 相比高端变焦镜头锐度降低
- 非内变焦设计
- 某些机身上高帧率自动对焦较慢
Build quality 3
Sharpness 3
Aperture 2
Weight and portability 3
Zoom range 4
Autofocus performance 1
Pentax DA* 12345 18mm
88 满分 100 置信度中 12 条评价
Pentax HD DA 11-18mm f/2.8 ED DC AW* 因其卓越的清晰度、做工质量和在风光、天文、人像摄影中的多功能性而备受赞誉。已验证用户报告称，它已成为K-3和K-1机身上的首选镜头，画质可与Sigma 10-20相媲美甚至更胜一筹。少数小问题如与某些滤镜支架不兼容和价格偏高，但总体评价非常积极。
优点
- 卓越的清晰度
- 高做工质量
- 适用于风光和天文的多功能性
- 快速f/2.8光圈
- 滤镜安装兼容性
缺点
- 滤镜支架不兼容
- 价格高
Image quality 7
Build quality 5
Versatility 4
Aperture 3
Filter compatibility 2
Value for money 3
评分
Macro
Budget
Landscape
Portrait
Professional
Wildlife Sports
Travel
Street
Video Cinema
规格
| Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm | Pentax DA* 12345 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 28 mm | 11 mm |
| Focal Length Max | 300 mm | 18 mm |
| Elements | 20 | 16 |
| Groups | 13 | 11 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 2 | 2 |
| Coating | fluorine coating | Aero Bright II Coating, Super Protect Coating |
| Aperture | ||
| Max Aperture | f/4 | f/22 |
| Min Aperture | 4-7.1 | f/2.8 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 9 | 9 |
| Build | ||
| Mount | Sony E | Pentax K |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.59 kg★ | 0.70 kg |
| Filter Thread | 67 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | VXD linear motor★ | DC |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 190 mm★ | 300 mm |
| Max Magnification | 1:2.8 | 1:10 |
优缺点
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
- Strong versatility (98th percentile)98th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (96th percentile)96th %ile
- Strong user sentiment (92nd percentile)92nd %ile
Pentax DA* 12345 18mm
- Strong optical (87th percentile)87th %ile
- Strong user sentiment (82nd percentile)82nd %ile
- Strong macro (69th percentile)
- Strong versatility (67th percentile)
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
- Below average stabilization (34th percentile)
结论
胜出: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD 300mm
Scores 100 overall, wins 9 of 9 usage categories and 6 of 21 specs.