Sigma EX DG 50mm f/1.4 EX DG HSM 50mm
Sigma
79 综合评分
vs
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
Tamron
100 综合评分
买家怎么说
Sigma EX DG 50mm f/1.4 EX DG HSM 50mm
88 满分 100 置信度高 55 条评价
适马50mm f/1.4 Art镜头因其卓越的锐度、美丽的散景以及快速安静的自动对焦而广受赞誉。用户一致强调其出色的做工质量以及与佳能L系列或尼康G系列等原厂替代品相比卓越的性价比。虽然许多人指出它比典型的50mm定焦镜头更重更大，但图像质量和性能被认为值得权衡。少数用户提到在弱光或旧固件下自动对焦偶尔不一致，但总体情绪极为积极。
优点
- 卓越的锐度
- 美丽的散景
- 快速安静的自动对焦
- 出色的做工质量
- 卓越的性价比
缺点
- 沉重且笨重
- 弱光下自动对焦犹豫
- f/1.4时边缘偏软
- 潜在的前后对焦问题
- 固件兼容性问题
Image quality 18
Bokeh 12
Autofocus performance 14
Build quality 10
Value for money 11
Weight and size 9
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
82 满分 100 置信度中 16 条评价
Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD 被广泛称赞为索尼APS-C相机的一款多功能全能变焦镜头。用户喜爱其惊人的16.6倍变焦范围、广角端的近摄能力以及扎实的画质，尽管有人指出在70-80mm以上画质变软且自动对焦较慢。该镜头比典型的APS-C镜头更重，但仍被认为便携。少数已验证买家报告长焦端锐度问题和变焦环生涩，但大多数人认为它是替代多支定焦和变焦镜头的出色全能镜头。
优点
- 惊人的16.6倍变焦范围
- 广角端近摄（半微距）
- 良好的画质和色彩还原
- 坚固的机身带防尘防滴
- 有效的防抖（VC）
缺点
- 70-80mm以上画质变软
- 自动对焦比小型变焦慢
- 对APS-C来说又重又大
- 变焦环缩回时生涩
- 两端有中度畸变
Zoom range 12
Image quality 10
Autofocus speed 6
Build quality 8
Weight and size 7
Close focusing 5
评分
Budget
Portrait
Travel
Wildlife Sports
Macro
Video Cinema
Landscape
Professional
Street
规格
| Sigma EX DG 50mm f/1.4 EX DG HSM 50mm | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | |
|---|---|---|
| Optics | ||
| Type | standard | zoom |
| Focal Length Min | 50 mm | 18 mm |
| Focal Length Max | 50 mm | 300 mm |
| Elements | 14 | 19 |
| Groups | 11 | 5 |
| Aspherical Elements | 1 | 3★ |
| ED Elements | 1 | 4★ |
| Coating | Super multi-layer lens coating | Fluorine Coating |
| Aperture | ||
| Max Aperture | f/1.4 | f/3.5 |
| Min Aperture | f/1.4 | 3.5-6.3 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Sigma SA | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.81 kg | 0.62 kg★ |
| Filter Thread | 77 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | HSM | VXD linear motor★ |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 400 mm | 150 mm★ |
| Max Magnification | 1:5.6 | 1:2 |
优缺点
Sigma EX DG 50mm f/1.4 EX DG HSM 50mm
- Strong aperture (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong social proof (91st percentile)91st %ile
- Strong user sentiment (81st percentile)81st %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
- Strong versatility (99th percentile)99th %ile
- Strong af (98th percentile)98th %ile
- Strong optical (95th percentile)95th %ile
- Strong macro (87th percentile)87th %ile
价格
Sigma EX DG 50mm f/1.4 EX DG HSM 50mm0.001每美元得分
vs
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD0.002每美元得分
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD 性价比高 2.0 倍
结论
胜出: Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD
Scores 100 overall, wins 9 of 9 usage categories and 6 of 21 specs.
