Viltrox PFU RBMH FE 2.0 F1.8 20mm
The 14-blade diaphragm and f/1.8 aperture combine to render exceptionally smooth bokeh from a 20mm wide-angle, a rare capability for astrophotography and low-light scenes. Its advanced optical design with 4 ED elements and an aspherical lens maintains sharpness while minimizing distortion, all within a weather-sealed build. This lens is best for manual-focus enthusiasts shooting landscapes, architecture, and night skies who prioritize creative depth-of-field control over autofocus convenience.
Обзор
Факты
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 20 |
| Focal Length Max | 20 |
| Elements | 12 |
| Groups | 9 |
| Aspherical Elements | 1 |
| ED Elements | 4 |
| Coating | HD NANO Coating |
Aperture
| Max Aperture | f/1.8 |
| Min Aperture | f/1.8 |
| Constant | Yes |
| Diaphragm Blades | 14 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 1.2 kg / 2.6 lbs |
| Filter Thread | 82 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | Yes |
Focus
| Min Focus Distance | 250 |
vs Competition
| Spec | Viltrox PFU RBMH FE 2.0 F1.8 20mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 16-300mm | 17-70mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/1.8 | f/3.5 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Sony E | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | true | true | true | false | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 1200 | 615 | 544 | 450 | 306 | 326 |
| AF Type | manual focus only | HLA | RXD | Stepping Motor | Autofocus | Linear motor |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Товар | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Viltrox PFU RBMH FE 2.0 F1.8 20mm | 13.2 | 97.6 | 23.7 | 77.8 | 79.9 | 92.5 | 33.7 | 82.4 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 53.8 | 84.5 | 64.2 | 87.4 | 99.2 | 76.6 | 99.6 | 99.2 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.8 | 86.4 | 69.1 | 85.5 | 91.2 | 83.3 | 89.6 | 82.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.8 | 86.4 | 75.6 | 85.5 | 88.3 | 83.3 | 68.1 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.8 | 81.1 | 85.7 | 50.7 | 86.6 | 83.3 | 80.6 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 74.6 | 73 | 40.3 | 78.7 | 76.6 | 95.8 | 82.4 |