Rokinon 20mm f/1.8 ED AS UMC 20mm
The bright f/1.8 aperture and 20mm focal length, combined with two aspherical and three ED elements, produce sharp, aberration-controlled images on full-frame Nikon F cameras. Its 485g manual focus design focuses down to 7.9 inches, and the 7-blade rounded diaphragm with Ultra Multi-Coating creates smooth bokeh while resisting flare. This lens suits astrophotographers and portrait shooters who prioritize a fast wide-angle perspective and hands-on control without needing autofocus.
Snapshot
المزايا والعيوب
Pros
Cons
What owners think
كيف تغيّر رأي المالكين بمرور الوقت
حصرياستنادًا إلى وقت كتابة العملاء لتقييماتهم فعليًا — لترى ما إذا كان الثناء المبكر قد استمر.
استنادًا إلى 7 مراجعة عملاء مؤرخة، مجمّعة حسب الربع التقويمي. تحليل الفترات باللغة الإنجليزية.
The proof
الأداء
المواصفات التقنية
المواصفات الكاملة
Optics
| Focal Length Min | 20 |
| Focal Length Max | 20 |
| Elements | 13 |
| Groups | 12 |
Aperture
| Max Aperture | f/1.8 |
| Min Aperture | f/22 |
| Diaphragm Blades | 7 |
Build
| Mount | Nikon F |
| Format | Full-Frame |
| Weight | 0.5 kg / 1.1 lbs |
| Filter Thread | 77 |
AF & Stabilization
| Stabilization | No |
Focus
| Min Focus Distance | 200 |
مقارنة بالمنافسين
| Spec | Rokinon 20mm f/1.8 ED AS UMC 20mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Nikon NIKKOR Z 28-400mm f/4-8 VR | Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 | Tamron Di III 28-75mm f/2.8 Di III VXD G2 | Sony E SELP1650 |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 16-300mm | 28-400mm | 50-200mm | 28-75mm | 16-50mm |
| Max Aperture | f/1.8 | f/3.5 | f/4 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Nikon F | Sony E | Nikon Z | Micro Four Thirds | Sony E | Sony E |
| Stabilization | false | true | true | true | false | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 485 | 615 | 726 | 655 | 550 | 116 |
| AF Type | - | HLA | STM | linear motor | VXD | Stepping motor |
| Lens Type | - | zoom | zoom | telephoto | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Rokinon 20mm f/1.8 ED AS UMC 20mm | 54.9 | 90.7 | 50.7 | 81.2 | 54.1 | 93 | 63.6 | 34.1 | 39.8 | 35.9 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.9 | 84.6 | 58.3 | 85.9 | 98.9 | 77.5 | 0 | 99.6 | 78 | 99 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86.6 | 78.4 | 50.8 | 81.2 | 97 | 71.8 | 0 | 98.9 | 83.1 | 98.2 |
| Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 Compare | 98.2 | 86.4 | 54.6 | 22.8 | 95.9 | 84.1 | 91.7 | 88.3 | 65.9 | 96.3 |
| Tamron Di III 28-75mm f/2.8 Di III VXD G2 Compare | 54.9 | 86.4 | 63.2 | 84.8 | 91.2 | 84.1 | 80.8 | 78.5 | 91.7 | 35.9 |
| Sony E SELP1650 Compare | 86.6 | 75.5 | 93.6 | 35.1 | 64.4 | 77.5 | 63.6 | 83.5 | 74.1 | 92.5 |