Sigma Contemporary 20mm f/2 DG 20mm
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 Sony E
Weather Sealed 是
Weight 370 g
af type Autofocus
lens type prime
70 综合评分
价格 MX$671
概览
优缺点
优点
- Strong bokeh (92nd percentile) 92nd
- Strong aperture (90th percentile) 90th
- Strong optical (84th percentile) 84th
- Strong macro (79th percentile) 79th
缺点
- Below average social proof (6th 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 5 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 and Nano Porous Coating (NPC) |
Aperture
| Max Aperture | f/2 |
| Min Aperture | f/2 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.4 kg / 0.8 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 Contemporary 20mm f/2 DG 20mm | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Canon RF 28-70mm f/2.8 IS STM | Panasonic LUMIX S S-R28200 | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR | Meike 50mm F1.8 Full Frame STM Auto Focus Prime |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 18-300mm | 28-70mm | 28-200mm | 16-85mm | 50mm |
| Max Aperture | f/2 | f/3.5 | f/2.8 | f/4 | f/3.5 | f/1.8 |
| Mount | Sony E | Fujifilm X | Canon RF | L-Mount | Nikon F | Panasonic Sigma L |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | false | true | true | false | false |
| Weight (g) | 370 | 92 | 495 | 413 | 59 | 297 |
| AF Type | Autofocus | VXD linear motor | STM | Autofocus | AF-S | STM |
| Lens Type | prime | zoom | zoom | macro | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Contemporary 20mm f/2 DG 20mm | 54.7 | 92.2 | 77.4 | 79 | 83.5 | 90 | 34 | 5.6 | 35.6 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.1 | 75 | 96.3 | 88.4 | 73.5 | 77 | 99.2 | 83 | 80.5 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 85.5 | 86.2 | 67.2 | 77.4 | 84.4 | 83.8 | 77.4 | 88 | 98.2 |
| Panasonic LUMIX S S-R28200 Compare | 54.7 | 77.9 | 73.9 | 89.5 | 90.9 | 71.5 | 95.7 | 75.3 | 99.4 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 54.7 | 75 | 98.4 | 59.8 | 64.1 | 77 | 94.3 | 88 | 92.2 |
| Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare | 85.5 | 95.9 | 71.3 | 96.1 | 57.2 | 93 | 34 | 49.9 | 80.5 |
价格
性价比分析
最低 MX$671
Amazon.com.mx 1 个报价 最低 MX$671
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。
