Sigma Art 17-40mm f/1.8 DC
Sigma
96 综合评分
vs
Pentax DA* 21750 60-250mm
Pentax
64 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* 21750 60-250mm
86 满分 100 置信度低 8 条评价
宾得DA* 60-250mm f/4镜头因其在整个变焦范围内的出色锐度和防风雨密封的坚固构造而备受推崇。用户称赞其多功能性、安静的自动对焦和良好的性价比，尽管有些人注意到重量、偶尔的对焦或SDM可靠性问题以及镜头筒伸出的倾向。总体而言，它被认为是宾得APS-C相机的一款出色的远摄变焦镜头。
优点
- 整个变焦范围内出色的锐度
- 防风雨密封结构
- 安静快速自动对焦 (SDM)
- 多功能 60-250mm 焦距
- 性价比不错
缺点
- 重量较重（超过1公斤）
- 无变焦锁（镜筒可能伸出）
- SDM 可靠性问题
- 特定焦距偶尔画质偏软
- 镜头盖无系绳
Sharpness 7
Build quality 8
Autofocus performance 6
Weight 4
Weather sealing 5
Value for money 5
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* 21750 60-250mm | |
|---|---|---|
| Optics | ||
| Type | zoom | zoom |
| Focal Length Min | 17 mm | 60 mm |
| Focal Length Max | 40 mm | 250 mm |
| Elements | 17 | — |
| Groups | 11 | — |
| Aspherical Elements | 4★ | — |
| ED Elements | 4★ | 1 |
| Coating | Super Multi-Layer Coating | Super Protect (SP) coating, smc |
| Aperture | ||
| Max Aperture | f/1.8 | f/4 |
| Min Aperture | f/1.8 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | — |
| Build | ||
| Mount | Fujifilm X | Pentax KAF2 |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.54 kg★ | 1.04 kg |
| Filter Thread | 67 mm | — |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | SDM |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 280 mm | 250 mm★ |
| Max Magnification | 1:4.8★ | — |
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* 21750 60-250mm
- Strong versatility (90th percentile)90th %ile
- Strong stabilization (79th percentile)
- Strong macro (75th percentile)
- Strong user sentiment (75th percentile)
- Below average build (13th percentile)13th %ile
价格
Sigma Art 17-40mm f/1.8 DC
Pentax DA* 21750 60-250mm
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.
