Raynox DCR-250 250mm
Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
买家怎么说
Raynox DCR-250 250mm
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Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD
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
评分
规格
| Raynox DCR-250 250mm | Tamron Di III VC 28-300mm f/4-7.1 Di III VC VXD | |
|---|---|---|
| Optics | ||
| Type | macro | zoom |
| Focal Length Min | 250 mm | 28 mm |
| Focal Length Max | 250 mm | 300 mm |
| Elements | — | 20 |
| Groups | — | 13 |
| Aspherical Elements | — | 3★ |
| ED Elements | — | 2★ |
| Coating | — | fluorine coating |
| Aperture | ||
| Max Aperture | — | f/4 |
| Min Aperture | — | 4-7.1 |
| Constant | — | ✗ |
| Diaphragm Blades | — | 9★ |
| Build | ||
| Mount | Canon EF, Canon EF,Nikon F(DX),Sony Alpha | Sony E |
| Format | — | full-frame★ |
| Weather Sealed | — | ✓★ |
| Weight | 0.06 kg★ | 0.59 kg |
| Filter Thread | — | 67 mm |
| AF & Stabilization | ||
| AF Type | autofocus | VXD linear motor★ |
| Stabilization | — | ✓★ |
| Focus | ||
| Min Focus Distance | 52 mm★ | 190 mm |
| Max Magnification | — | 1:2.8★ |
优缺点
Raynox DCR-250 250mm
- Strong build (99th percentile)99th %ile
- Strong macro (96th percentile)96th %ile
- Strong social proof (86th percentile)86th %ile
- Strong aperture (69th percentile)
- Below average optical (19th percentile)19th %ile
- 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 (96th percentile)96th %ile
- Strong user sentiment (91st percentile)91st %ile
结论
Scores 100 overall, wins 9 of 9 usage categories and 8 of 21 specs.