Pentax HD PENTAX-D FA HD -D FA 21mm f/2.4ED Limited DC WR 21mm
The f/2.4 aperture and 11-element optical design with four ED elements, one aspherical element, and HD Coating deliver sharp, ghosting-resistant images across the full-frame field. Its weather-sealed, compact 417g build and quiet DC autofocus motor provide reliable, all-day handling in harsh outdoor conditions. This lens is best for Pentax landscape and close-up photographers who need a portable, flare-resistant ultrawide prime for detailed field work.
Focal length 21mm
Aperture 22
Mount Pentax K
Weather Sealed はい
Weight 416 g
af type Autofocus
lens type prime
55 総合スコア
価格 ￥305,237
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Optics
| Type | prime |
| 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 | 22 |
| Min Aperture | 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 |
競合製品との比較
| Spec | Pentax HD PENTAX-D FA HD -D FA 21mm f/2.4ED Limited DC WR 21mm | 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 | OM System M.Zuiko Digital ED 90mm f/3.5 Macro IS PRO |
|---|---|---|---|---|---|---|
| Focal Length | 21mm | 16-300mm | 28-400mm | 50-200mm | 28-75mm | 90mm |
| Max Aperture | 22 | f/3.5 | f/4 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Pentax K | Sony E | Nikon Z | Micro Four Thirds | Sony E | Micro Four Thirds |
| Stabilization | false | true | true | true | false | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 416 | 615 | 726 | 655 | 550 | 453 |
| AF Type | Autofocus | HLA | STM | linear motor | VXD | Autofocus |
| Lens Type | prime | zoom | zoom | telephoto | zoom | macro |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Pentax HD PENTAX-D FA HD -D FA 21mm f/2.4ED Limited DC WR 21mm | 54.9 | 21.9 | 73.6 | 84.8 | 73.1 | 24.5 | 34.1 | 54.8 | 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 | 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 | 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 | 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 | 78.5 | 91.7 | 35.9 |
| OM System M.Zuiko Digital ED 90mm f/3.5 Macro IS PRO Compare | 54.9 | 75.5 | 70.8 | 91 | 77.1 | 77.5 | 34.1 | 58.8 | 99.7 |
Price
コストパフォーマンス
最安 ￥305,237
Amazon.co.jp 1件 最安 ￥305,237
2026年5月29日 ￥305,237
