En oferta 18%
Pentax HD PENTAX-D FA 28050 21mm
Combining a 21mm ultra-wide perspective with a bright f/2.4 aperture and 4 ED elements, this lens delivers sharp, high-resolution images with uniform rendition across the full-frame field. Its weather-resistant construction and close 7.1" minimum focusing distance add practical versatility to the precision-machined Limited-series build. This optic is best for landscape and architectural photographers using Pentax K-mount DSLRs who need durable, all-weather performance.
Focal length 21mm
Aperture f/22
Mount Pentax K
Weather Sealed Sí
Weight 416 g
af type Autofocus
lens type wide-angle
56 Puntuación global
Precio 1223 €
Resumen
Opinión de los propietarios
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85/100Nuestro análisis de opinión con IA
Basado en 9 opiniones de clientes con fecha, agrupadas por trimestre natural. El análisis por periodo está en inglés.
Las pruebas
Rendimiento
Especificaciones
Especificaciones completas
Optics
| Type | Wide-angle |
| Focal Length Min | 21 |
| Focal Length Max | 21 |
| Elements | 11 |
| Groups | 8 |
| Aspherical Elements | 1 |
| ED Elements | 4 |
| Coating | High-Grade Multi-Layer HD Coating |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/2.4 |
| Constant | Yes |
| Diaphragm Blades | 8 |
Build
| Mount | Pentax K |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.4 kg / 0.9 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 180 |
| Max Magnification | 1:3.85 |
Frente a la competencia
| Spec | Pentax HD PENTAX-D FA 28050 21mm | 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 | 21mm | 16-300mm | 17-70mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/22 | f/3.5 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Pentax K | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | true | true | false | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 416 | 615 | 544 | 450 | 306 | 326 |
| AF Type | Autofocus | HLA | RXD | Stepping Motor | Autofocus | Linear motor |
| Lens Type | wide-angle | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Producto | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Valoración social | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Pentax HD PENTAX-D FA 28050 21mm | 53.8 | 17.9 | 77.7 | 86.5 | 76.5 | 19.8 | 63.8 | 33.7 | 61 | 36.8 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 53.8 | 84.5 | 64.2 | 87.4 | 99.2 | 76.6 | 0 | 99.6 | 81.9 | 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 | 63.8 | 89.6 | 86.1 | 82.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.8 | 86.4 | 75.6 | 85.5 | 88.3 | 83.3 | 91.2 | 68.1 | 71 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.8 | 81.1 | 85.7 | 50.7 | 86.6 | 83.3 | 63.8 | 80.6 | 86.1 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 74.6 | 73 | 40.3 | 78.7 | 76.6 | 44.7 | 95.8 | 90.2 | 82.4 |
Precio
Relación calidad-precio
Desde 1223 €
