Sigma Art 17-40mm f/1.8 DC
Sigma
96 综合评分
vs
Pentax DA 21790 55mm
Pentax
41 综合评分
买家怎么说
Sigma Art 17-40mm f/1.8 DC
95 满分 100 置信度高 36 条评价
适马17-40mm f/1.8 DC DN Art镜头因其出色的画质、恒定大光圈和紧凑的内变焦设计而广受赞誉。用户强调其锐度、轻巧的机身以及在佳能R7和富士等APS-C画幅无反相机上出色的自动对焦性能。虽然有一些关于特定相机兼容性以及防尘防滴、光圈环等功能的疑问，但总体评价极为正面。
优点
- 出色的画质
- 恒定f/1.8大光圈
- 紧凑的内变焦设计
- 轻巧的机身
- 锐利明亮的照片
缺点
- 未提及防尘防滴
- 部分卡口无手动光圈环
- 与全画幅相机的兼容性问题
- 对部分买家来说价格较高
Image quality 8
Aperture 7
Build quality 6
Autofocus 4
Value for money 4
Compatibility 12
Pentax DA 21790 55mm
85 满分 100 置信度低 8 条评价
Pentax DA* 55mm f/1.4 SDM 镜头因其锐利的成像、美丽的虚化效果和出色的弱光性能而备受赞誉。它非常适合人像和活动摄影，尽管在较旧的Pentax机身上可能存在对焦问题。总体而言，这是一款性价比很高的高品质镜头。
优点
- 锐利的图像质量
- 美丽的平滑虚化效果
- 出色的弱光性能
- 适合人像和活动摄影
- 防尘防滴设计
缺点
- 在较旧的Pentax机身上可能存在对焦问题
- 尺寸略大
- 不如Carl Zeiss镜头锐利
Image quality 5
Bokeh 2
Low light performance 2
Portrait photography 4
Build quality 2
Value for money 3
评分
Portrait
Video Cinema
Professional
Budget
Macro
Travel
Street
Landscape
Wildlife Sports
规格
| Sigma Art 17-40mm f/1.8 DC | Pentax DA 21790 55mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 55 mm |
| Focal Length Max | 40 mm | 55 mm |
| Elements | 17 | 9 |
| Groups | 11 | 8 |
| Aspherical Elements | 4★ | 0 |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | Aero Bright coating, Super Protect (SP) coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 9 |
| Build | ||
| Mount | Fujifilm X | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg | 0.38 kg★ |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | SDM |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 450 mm |
| Max Magnification | 1:4.8★ | 0.3x |
优缺点
Sigma Art 17-40mm f/1.8 DC
- Strong user sentiment (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong optical (97th percentile)97th %ile
- Strong aperture (95th percentile)95th %ile
- Below average stabilization (34th percentile)
Pentax DA 21790 55mm
- Strong build (79th percentile)
- Strong user sentiment (66th percentile)
- Below average aperture (22nd percentile)
- Below average bokeh (25th percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
价格
Sigma Art 17-40mm f/1.8 DC
Pentax DA 21790 55mm
No current pricing available
结论
胜出: Sigma Art 17-40mm f/1.8 DC
Scores 96 overall, wins 9 of 9 usage categories and 5 of 21 specs.
