Big Mike's SLY500 500mm
Big Mike's
37 综合评分
vs
Sigma Art 17-40mm f/1.8 DC
Sigma
97 综合评分
买家怎么说
Big Mike's SLY500 500mm
62 满分 100 置信度低 8 条评价
这款廉价长焦镜头收到了褒贬不一的评价。许多用户称赞其性价比，指出对于偶尔使用（如拍摄月亮）来说，对焦清晰，画质尚可。然而，几位经过验证的买家报告了对焦偏软、灰尘污染和做工质量差的问题，尤其是在使用2倍增距镜时。它最适合那些有现实期望并愿意使用三脚架和手动对焦的用户。
优点
- 性价比极高
- 偶尔使用对焦清晰
- 三脚架上画质尚可
- 适合拍摄月亮和日食
- 适配器和转换器加工牢固
缺点
- 部分产品对焦偏软
- 2倍增距镜导致灰尘污染
- 需要大量光线（最大光圈f/8）
- 无防抖功能
- 适配器缺少后盖
Value for money 5
Image quality 6
Focus performance 4
Build quality 4
Light requirements 3
Dust contamination 2
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
评分
Portrait
Video Cinema
Budget
Professional
Macro
Street
Travel
Landscape
Wildlife Sports
规格
| Big Mike's SLY500 500mm | Sigma Art 17-40mm f/1.8 DC | |
|---|---|---|
| Optics | ||
| Type | telephoto | zoom |
| Focal Length Min | 500 mm | 17 mm |
| Focal Length Max | 1000 mm | 40 mm |
| Elements | — | 17 |
| Groups | — | 11 |
| Aspherical Elements | — | 4★ |
| ED Elements | — | 4★ |
| Coating | multi-coated | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/8 | f/1.8 |
| Min Aperture | f/8 | f/1.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | — | 11★ |
| Build | ||
| Mount | T Mount | Fujifilm X |
| Format | — | APS-C★ |
| Weather Sealed | — | ✓★ |
| Weight | 1.16 kg | 0.54 kg★ |
| Filter Thread | 67 mm | 67 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | HLA (High-response Linear Actuator) |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 500 mm | 280 mm★ |
| Max Magnification | — | 1:4.8★ |
优缺点
Big Mike's SLY500 500mm
- Strong stabilization (81st percentile)81st %ile
- Strong versatility (72nd percentile)
- Below average user sentiment (6th percentile)6th %ile
- Below average af (14th percentile)14th %ile
- Below average build (15th percentile)15th %ile
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
价格
Big Mike's SLY500 500mm0.305每美元得分
vs
Sigma Art 17-40mm f/1.8 DC0.107每美元得分
Big Mike's SLY500 500mm 性价比高 2.9 倍
结论
胜出: Sigma Art 17-40mm f/1.8 DC
Scores 97 overall, wins 9 of 9 usage categories and 8 of 21 specs.
