IRIX Dragonfly 21mm f/1.4
Its f/1.4 maximum aperture paired with an 11-blade diaphragm and 4 ED, 2 aspherical elements delivers sharp, low-distortion images with smooth bokeh. The weather-sealed, all-metal Dragonfly build with engraved focus markings provides precise manual control at a competitive price. This lens is best for astrophotographers and architectural shooters needing a fast ultra-wide prime for reliable outdoor use.
概要
実証データ
Performance
Specifications
Full Specifications
Optics
| Type | Wide-angle |
| Focal Length Min | 21 |
| Focal Length Max | 21 |
| Elements | 15 |
| Groups | 11 |
| Aspherical Elements | 2 |
| ED Elements | 4 |
| Coating | 1034 |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.4 |
| Diaphragm Blades | 11 |
Build
| Mount | Canon EF |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.8 kg / 1.8 lbs |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 300 |
vs Competition
| Spec | IRIX Dragonfly 21mm f/1.4 | Sigma Contemporary 18-50mm f/2.8 DC DN | 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 PZ 16-50mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 21mm | 18-50mm | 17-70mm | 17-28mm | 12-35mm | 16-50mm |
| Max Aperture | f/16 | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Canon EF | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | false | true | false | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 830 | 290 | 544 | 450 | 306 | 107 |
| AF Type | manual focus only | stepping motor | RXD | Stepping Motor | Autofocus | Autofocus |
| Lens Type | wide-angle | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| 製品 | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | ユーザー評価 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| IRIX Dragonfly 21mm f/1.4 | 12.6 | 42.4 | 21.9 | 70.6 | 90.2 | 40.3 | 33.6 | 57.4 | 36.9 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.7 | 80.9 | 86.5 | 90.9 | 82.6 | 83.2 | 78.4 | 89.8 | 36.9 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.7 | 86.2 | 69.7 | 85.1 | 91.1 | 83.2 | 89.5 | 85.5 | 82.6 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.7 | 86.2 | 76 | 85.1 | 88.4 | 83.2 | 68 | 70.1 | 36.9 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.7 | 80.9 | 85.8 | 50.6 | 86.8 | 83.2 | 80.4 | 85.5 | 96.9 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.7 | 74.2 | 98.6 | 43.7 | 69.1 | 76.3 | 83.2 | 81.1 | 93.5 |