Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 综合评分
vs
Canon L-series EF 100-400mm f/4.5-5.6L IS II USM
Canon
65 综合评分
买家怎么说
Sigma Contemporary 18-50mm f/2.8 DC DN
88 满分 100 置信度高 91 条评价
Sigma 18-50mm f/2.8 DC DN Contemporary 被广泛称赞为 APS-C 无反相机的一款紧凑、轻便且锐利的标准变焦镜头。用户一致强调其出色的图像质量、快速的 f/2.8 光圈和实惠的价格是主要优势，使其成为套机镜头的热门升级选择。常见的批评包括缺乏光学防抖和遮光罩设计不佳，但总体情绪极为积极。
优点
- 出色的图像锐度
- 紧凑轻巧的设计
- 快速恒定的 f/2.8 光圈
- 物超所值
- 快速安静的自动对焦
缺点
- 无光学防抖
- 遮光罩设计不佳
- 无防尘防滴
- 塑料制造工艺
- 变焦环方向与富士相反
Image quality 25
Build quality 12
Value for money 18
Size and weight 20
Autofocus performance 10
Stabilization 8
Canon L-series EF 100-400mm f/4.5-5.6L IS II USM
88 满分 100 置信度高 135 条评价
佳能EF 100-400mm f/4.5-5.6L IS II USM镜头因其出色的锐度、快速自动对焦和坚固的做工而广受赞誉。用户强调其在野生动物、体育甚至微距摄影中的多功能性，指出它在图像质量上优于适马和腾龙150-600mm等竞争对手。然而，一些人批评价格上涨和偶尔的锐度不一致，少数用户报告在特定相机机身上使用增距镜时自动对焦受限。
优点
- 出色的锐度
- 快速准确的自动对焦
- 多功能变焦范围（100-400mm）
- 优秀的图像稳定
- 坚固的做工
缺点
- 价格随时间上涨
- 重量较重
- 使用2倍增距镜时自动对焦受限
- 部分镜头锐度不足
- 不适合索尼无反相机
Image quality 45
Autofocus performance 30
Build quality 25
Versatility 20
Image stabilization 15
Price value 12
评分
Travel
Budget
Street
Professional
Portrait
Macro
Video Cinema
Landscape
Wildlife Sports
规格
| Sigma Contemporary 18-50mm f/2.8 DC DN | Canon L-series EF 100-400mm f/4.5-5.6L IS II USM | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 100 mm |
| Focal Length Max | 50 mm | 400 mm |
| Elements | 13 | 21 |
| Groups | 10 | 16 |
| Aspherical Elements | 3 | 4★ |
| ED Elements | 1 | 1 |
| Coating | Super Multi-Layer Coating | Air Sphere Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/100 |
| Min Aperture | f/2.8 | 4.5-5.6 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.64 kg |
| Filter Thread | 55 mm | 77 mm |
| AF & Stabilization | ||
| AF Type | stepping motor | USM★ |
| Stabilization | ✗ | ✓★ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 980 mm |
| Max Magnification | 1:2.8★ | 0.31x |
优缺点
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong aperture (86th percentile)86th %ile
- Strong af (86th percentile)86th %ile
Canon L-series EF 100-400mm f/4.5-5.6L IS II USM
- Strong optical (98th percentile)98th %ile
- Strong af (94th percentile)94th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong versatility (88th percentile)88th %ile
- Below average aperture (1st percentile)1st %ile
- Below average bokeh (1st percentile)1st %ile
- Below average build (16th percentile)16th %ile
- Below average macro (32nd percentile)
价格
Sigma Contemporary 18-50mm f/2.8 DC DN0.149每美元得分
vs
Canon L-series EF 100-400mm f/4.5-5.6L IS II USM0.030每美元得分
Sigma Contemporary 18-50mm f/2.8 DC DN 性价比高 5.0 倍
结论
胜出: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 4 of 22 specs.
