Sigma 49B969
The f/2 maximum aperture and 13-element optical design with aspherical and ED glass deliver strong low-light performance and sharpness in a compact 370g body. Its all-metal, weather-sealed I Series construction and tactile aperture ring provide a premium handling experience rare at this size. This lens is best for environmental portrait and astrophotography shooters who need a fast, ultra-wide prime that won't weigh down a kit.
Focal length 20mm
Aperture f/2
Mount L-Mount
Weather Sealed 是
Weight 4128 g
af type Autofocus
lens type prime
59 综合评分
价格 £13
概览
优缺点
优点
- Strong bokeh (92nd percentile) 92nd
- Strong aperture (89th percentile) 89th
- Strong optical (86th percentile) 86th
- Strong macro (80th percentile) 80th
缺点
- Below average build (7th percentile)
- Below average social proof (11th percentile)
- Below average versatility (34th percentile)
用户评价
用户口碑如何随时间变化
独家依据客户实际撰写评价的时间--让你看到最初的好评是否持续。
基于 2 条带日期的客户评价，按日历季度分组。分期分析为英文。
实测数据
性能表现
规格参数
完整规格参数
Optics
| Type | Prime |
| Focal Length Min | 20 |
| Focal Length Max | 20 |
| Elements | 13 |
| Groups | 11 |
| Aspherical Elements | 3 |
| ED Elements | 2 |
| Coating | Super Multi-Layer Coating, Nano Porous Coating (NPC) |
Aperture
| Max Aperture | f/2 |
| Min Aperture | f/2 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | L-Mount |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 4.1 kg / 9.1 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 220 |
| Max Magnification | 1:6.67 |
竞品对比
| Spec | Sigma 49B969 | Digitalmate Platinum Series DM5843X | Altura Photo QZ0016 | Serounder 52mm Fisheye | Xuan XuanLens 32mm F/10 | Retropia M43 Mount Compatible |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 58mm | - | 52mm | 32mm | 32mm |
| Max Aperture | f/2 | - | - | - | f/10 | f/11 |
| Mount | L-Mount | Canon EF | Screw-on lens fits camera lenses with a 52mm front filter thread | Multiple | Canon EF-M | Canon RF |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | false | false | false | false | false |
| Weight (g) | 4128 | 127 | 320 | 230 | 41 | 50 |
| AF Type | Autofocus | Auto Focus | STM | - | manual focus only | manual focus only |
| Lens Type | prime | wide-angle | wide-angle | fisheye | prime | prime |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | Bokeh | Build | Macro | Optical | Aperture | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Sigma 49B969 | 53.7 | 92 | 6.8 | 80 | 86 | 89.4 | 10.9 | 36.7 |
| Digitalmate Platinum Series DM5843X Compare | 53.7 | 62.9 | 94.2 | 89.9 | 46 | 64.6 | 72.2 | 82.4 |
| Altura Photo QZ0016 Compare | 87.6 | 62.9 | 73.9 | 95.3 | 46 | 64.6 | 73.9 | 82.4 |
| Serounder 52mm Fisheye Compare | 53.7 | 62.9 | 83 | 89.3 | 40.8 | 64.6 | 8.4 | 82.4 |
| Xuan XuanLens 32mm F/10 Compare | 12.7 | 43 | 99.7 | 40.1 | 21.2 | 48.1 | 62.3 | 82.4 |
| Retropia M43 Mount Compatible Compare | 12.7 | 40.3 | 99.6 | 40.1 | 21.2 | 47.5 | 64.7 | 82.4 |
价格
性价比分析
最低 £13
Amazon.co.uk 1 个报价 最低 £13
我们自 2026年5月7日 起追踪该产品的价格。数据增多后将显示图表。
使用场景评分
完整评测即将发布。上方的规格、评分、价格和图表始终保持最新。
