Pentax Limited 21410 21mm
Pentax
49 综合评分
vs
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Tamron
100 综合评分
买家怎么说
Pentax Limited 21410 21mm
85 满分 100 置信度中 10 条评价
宾得HD DA 21mm f/3.2 AL Limited镜头因其紧凑的尺寸、出色的色彩还原和锐度而获得压倒性的好评。用户称赞它是APS-C相机的多功能挂机镜头，做工扎实且对焦迅速。少数人提到全开光圈时边缘略软，以及风景拍摄视角有限，但总体而言，其画质和性价比备受推崇。
优点
- 紧凑轻巧的设计
- 出色的色彩还原
- 锐利的画质
- 快速安静的自动对焦
- 扎实的做工
缺点
- 全开光圈时边缘略软
- 风景拍摄视角有限
- 不适合广角风景拍摄
Image quality 5
Color rendering 3
Build quality 4
Size and portability 4
Value for money 3
Autofocus performance 2
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
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
评分
Budget
Macro
Landscape
Portrait
Professional
Wildlife Sports
Video Cinema
Street
Travel
规格
| Pentax Limited 21410 21mm | Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 21 mm | 28 mm |
| Focal Length Max | 21 mm | 300 mm |
| Elements | 8 | 20 |
| Groups | 5 | 13 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | HD coating, SP Protect coating | fluorine coating |
| Aperture | ||
| Max Aperture | f/22 | f/4 |
| Min Aperture | f/3.2 | 4-7.1 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | — | ✓★ |
| Weight | 0.12 kg★ | 0.59 kg |
| Filter Thread | 49 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | VXD linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 201 mm | 190 mm★ |
| Max Magnification | 1:5.9 | 1:2.8 |
优缺点
Pentax Limited 21410 21mm
- Strong build (95th percentile)95th %ile
- Strong macro (81st percentile)81st %ile
- Below average bokeh (14th percentile)14th %ile
- Below average aperture (21st percentile)
- Below average versatility (34th percentile)
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
- Strong versatility (98th percentile)98th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (97th percentile)97th %ile
- Strong user sentiment (91st percentile)91st %ile
结论
胜出: Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
Scores 100 overall, wins 9 of 9 usage categories and 8 of 21 specs.