Sigma Art 17-40mm f/1.8 DC
Pentax DA 21987 35mm
买家怎么说
Sigma Art 17-40mm f/1.8 DC
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
Pentax DA 21987 35mm
这款宾得35mm f/2.4镜头因其锐度、色彩还原和性价比而广受赞誉。用户一致认为它物超所值,许多人称其为超值之选和出色的全能镜头。主要缺点是塑料机身和卡口、缺少遮光罩以及手动对焦受限,但这些通常被视为价格上的合理妥协。总体而言,强烈推荐给寻求经济型定焦镜头的宾得数码单反用户。
优点
- 图像锐利
- 性价比极高
- 小巧轻便
- 色彩还原好
- 自动对焦快速
缺点
- 塑料机身和卡口
- 不附带遮光罩
- 手动对焦受限
- 无光圈环
- 不防风雨
评分
规格
| Sigma Art 17-40mm f/1.8 DC | Pentax DA 21987 35mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 17 mm | 35 mm |
| Focal Length Max | 40 mm | 35 mm |
| Elements | 17 | 6 |
| Groups | 11 | 5 |
| Aspherical Elements | 4★ | 1 |
| ED Elements | 4★ | — |
| Coating | Super Multi-Layer Coating | PENTAX Super Protect (SP) coating |
| Aperture | ||
| Max Aperture | f/1.8 | f/22 |
| Min Aperture | f/1.8 | f/2.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 11★ | 6 |
| Build | ||
| Mount | Fujifilm X | Pentax K |
| Format | APS-C | APS-C |
| Weather Sealed | ✓★ | ✗ |
| Weight | 0.54 kg | 0.13 kg★ |
| Filter Thread | 67 mm | 49 mm |
| AF & Stabilization | ||
| AF Type | HLA (High-response Linear Actuator) | Autofocus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 280 mm★ | 300 mm |
| Max Magnification | 1:4.8★ | 0.17x |
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 21987 35mm
- Strong build (93rd percentile)93rd %ile
- Strong social proof (81st percentile)81st %ile
- Below average bokeh (6th percentile)6th %ile
- Below average aperture (22nd percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
价格
Sigma Art 17-40mm f/1.8 DC
No current pricing available
Pentax DA 21987 35mm
结论
Scores 96 overall, wins 9 of 9 usage categories and 6 of 21 specs.