Canon EF-S 55-250mm f/4-5.6 IS STM
7Artisans 18mm f/6.3 Mark II 18mm
买家怎么说
Canon EF-S 55-250mm f/4-5.6 IS STM
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)
7Artisans 18mm f/6.3 Mark II 18mm
这款7artisans 18mm f/6.3镜头是一款超小型全金属饼干镜头,提供胶片感、充满个性的成像,而非临床般的锐利。用户喜爱其紧凑的尺寸和超焦距的便捷性,适合街拍,但指出对焦偏软、暗角严重、对比度低以及与防抖系统的兼容性问题。少数用户报告严重的品控问题导致镜头无法使用,而大多数用户认为以这个价格来说,它是一个有趣且富有创意的工具。
优点
- 极其紧凑轻便
- 坚固的全金属结构
- 胶片感、充满个性的画质
- 超焦距便于街拍
- 性价比极高
缺点
- 所有距离对焦偏软
- 暗角严重
- 对比度低
- 与防抖系统存在兼容性问题
- 严重的品控问题
评分
规格
| Canon EF-S 55-250mm f/4-5.6 IS STM | 7Artisans 18mm f/6.3 Mark II 18mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 55 mm | 18 mm |
| Focal Length Max | 250 mm | 18 mm |
| Elements | 15 | 6 |
| Groups | 12 | 5 |
| Aspherical Elements | 0★ | — |
| ED Elements | 1★ | — |
| Coating | Super Spectra coating | — |
| Aperture | ||
| Max Aperture | f/4 | f/6.3 |
| Min Aperture | 4-5.6 | f/6.3 |
| Constant | ✗ | ✓★ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Canon EF-S | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.38 kg | 0.06 kg★ |
| Filter Thread | 58 mm | — |
| AF & Stabilization | ||
| AF Type | STM★ | manual focus only |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 4 stops★ | — |
| Focus | ||
| Min Focus Distance | 850 mm | 300 mm★ |
| Max Magnification | 0.29x★ | — |
优缺点
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 (85th percentile)85th %ile
- Strong social proof (81st percentile)81st %ile
- Below average macro (32nd percentile)
7Artisans 18mm f/6.3 Mark II 18mm
- Strong build (100th percentile)100th %ile
- Strong macro (70th percentile)
- Strong social proof (67th percentile)
- Below average optical (1st percentile)1st %ile
- Below average af (15th percentile)15th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average versatility (34th percentile)
价格
7Artisans 18mm f/6.3 Mark II 18mm 性价比高 4.0 倍
结论
Scores 84 overall, wins 9 of 9 usage categories and 7 of 22 specs.