Rokinon 20mm f/1.8 ED AS UMC 20mm
Focal length 20mm
Aperture f/22
Mount Nikon F
Weight 488 g
af type manual focus only
lens type prime
43 综合评分
价格 R$3,809
Snapshot
优缺点
Pros
- Strong optical (84th percentile) 84th
- Strong macro (82th percentile) 82th
Cons
- Below average af (15th percentile)
- Below average bokeh (16th percentile)
- Below average aperture (24th percentile)
- Below average versatility (34th percentile)
What owners think
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 7 条带日期的客户评价，按日历季度分组。分期分析为英文。
The proof
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 | 12 |
| Aspherical Elements | 2 |
| ED Elements | 3 |
| Coating | Ultra Multi-Coating |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/1.8 |
| Constant | No |
| Diaphragm Blades | 7 |
Build
| Mount | Nikon F |
| Format | full-frame |
| Weight | 0.5 kg / 1.1 lbs |
| Filter Thread | 77 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 200 |
竞品对比
| Spec | Rokinon 20mm f/1.8 ED AS UMC 20mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Canon RF RF 28-70mm f/2.8 IS STM | Panasonic LUMIX S S-R28200 | Tamron Di III-A AFB070X700 | Meike 50mm F1.8 Full Frame STM Auto Focus Prime |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 16-300mm | 28-70mm | 28-200mm | 17-70mm | 50mm |
| Max Aperture | f/22 | f/3.5 | f/2.8 | f/4 | f/2.8 | f/1.8 |
| Mount | Nikon F | Sony E | Canon RF | L-Mount | Fujifilm X | Panasonic Sigma L |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 488 | 615 | 495 | 413 | 524 | 297 |
| AF Type | manual focus only | HLA | STM | Autofocus | RXD | STM |
| Lens Type | prime | zoom | zoom | macro | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Rokinon 20mm f/1.8 ED AS UMC 20mm | 15.2 | 15.6 | 50.1 | 81.9 | 83.5 | 24 | 34.1 | 39.7 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 83.8 | 58 | 86.6 | 98.8 | 76.5 | 99.6 | 83 | 99.1 |
| Canon RF RF 28-70mm f/2.8 IS STM Compare | 85.4 | 85.8 | 67.3 | 77.5 | 84.4 | 83.5 | 77.4 | 88 | 98.2 |
| Panasonic LUMIX S S-R28200 Compare | 54.8 | 77.4 | 74 | 89.5 | 90.9 | 71 | 95.6 | 75.4 | 99.4 |
| Tamron Di III-A AFB070X700 Compare | 54.8 | 85.8 | 65.3 | 84.4 | 89.9 | 83.5 | 89.8 | 83 | 80.5 |
| Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare | 85.4 | 95.8 | 71.4 | 96.2 | 57.2 | 92.8 | 34.1 | 49.9 | 80.5 |
Price
性价比分析
最低 R$3,809
Amazon.com.br 1 个报价 最低 R$3,809
2026年5月29日 R$3,809
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。
