TTArtisan APS-C 7.5mm F2.0 8mm
TTArtisan
67 综合评分
vs
Canon EF-S 55-250mm f/4-5.6 IS STM
Canon
84 综合评分
买家怎么说
TTArtisan APS-C 7.5mm F2.0 8mm
72 满分 100 置信度中 21 条评价
TTArtisan 7.5mm f/2 鱼眼镜头（尼康Z卡口）收到褒贬不一的评价。用户称赞其锐度、坚固的做工和有趣的鱼眼效果，尤其适合创意摄影，如360度虚拟导览和滑板摄影。然而，存在重大问题：设计不佳的镜头盖容易脱落、部分机身的对焦刻度不准确，以及已停产的ND滤镜配件。该镜头最适合APS-C相机，全画幅用户会遇到暗角。
优点
- 图像锐利
- 做工扎实
- 有趣的鱼眼效果
- 性价比高
- 手动对焦轻松
缺点
- 镜头盖设计差易脱落
- 对焦刻度不准确
- 不再附带ND滤镜
- 全画幅相机上出现暗角
- 无标准滤镜螺纹
Build quality 6
Image sharpness 5
Lens cap design 4
Value for money 4
Focus accuracy 2
Nd filter availability 3
Canon EF-S 55-250mm f/4-5.6 IS STM
82 满分 100 置信度高 331 条评价
佳能 EF-S 55-250mm f/4-5.6 IS STM 镜头因其出色的锐度、快速安静的自动对焦和轻巧的设计而广受赞誉，对于业余摄影师和野生动物爱好者来说，性价比极高。许多用户强调长焦端令人印象深刻的画质和有效的图像稳定功能，尽管有些人注意到超过 200mm 时画质变软，最大光圈下有明显暗角。少数评论者遇到了质量控制问题，如图像模糊或对焦环失灵，但压倒性的共识是，这款镜头在其价位上提供了卓越的性能。
优点
- 价格下出色的锐度
- 快速安静的STM自动对焦
- 轻巧紧凑的设计
- 有效的图像稳定
- 极佳的性价比
缺点
- 超过200mm画质变软
- 最大光圈下明显暗角
- 塑料制造工艺
- 电子手动对焦需要相机供电
- 最大光圈较慢（250mm 时为 f/5.6）
Image quality 45
Autofocus performance 30
Value for money 35
Build quality 20
Image stabilization 18
Sharpness at long end 25
评分
Budget
Travel
Street
Portrait
Macro
Wildlife Sports
Video Cinema
Landscape
Professional
规格
| TTArtisan APS-C 7.5mm F2.0 8mm | Canon EF-S 55-250mm f/4-5.6 IS STM | |
|---|---|---|
| Optics | ||
| Type | fisheye | zoom |
| Focal Length Min | 8 mm | 55 mm |
| Focal Length Max | 8 mm | 250 mm |
| Elements | 11 | 15 |
| Groups | 8 | 12 |
| Aspherical Elements | — | 0★ |
| ED Elements | 2★ | 1 |
| Coating | multi-layer coating | Super Spectra coating |
| Aperture | ||
| Max Aperture | f/2 | f/4 |
| Min Aperture | f/2 | 4-5.6 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Canon RF | Canon EF-S |
| Format | APS-C | APS-C |
| Weather Sealed | — | ✗ |
| Weight | 0.37 kg★ | 0.38 kg |
| Filter Thread | 72 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | STM★ |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 125 mm★ | 850 mm |
| Max Magnification | — | 0.29x★ |
优缺点
TTArtisan APS-C 7.5mm F2.0 8mm
- Strong aperture (92nd percentile)92nd %ile
- Strong macro (91st percentile)91st %ile
- Strong bokeh (91st percentile)91st %ile
- Strong stabilization (81st percentile)81st %ile
- Below average af (14th percentile)14th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average versatility (34th percentile)
Canon EF-S 55-250mm f/4-5.6 IS STM
- Strong stabilization (93rd percentile)93rd %ile
- Strong versatility (92nd percentile)92nd %ile
- Strong af (86th percentile)86th %ile
- Strong social proof (81st percentile)81st %ile
- Below average macro (33rd percentile)
价格
TTArtisan APS-C 7.5mm F2.0 8mm0.372每美元得分
vs
Canon EF-S 55-250mm f/4-5.6 IS STM0.244每美元得分
TTArtisan APS-C 7.5mm F2.0 8mm 性价比高 1.5 倍
结论
胜出: Canon EF-S 55-250mm f/4-5.6 IS STM
Scores 84 overall, wins 7 of 9 usage categories and 4 of 22 specs.
