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IRIX Blackstone 15mm f/2.4 Blackstone 15mm
The 15mm f/2.4 prime uses 15 elements including two aspherical, two ED, and Neutrino coating to suppress aberrations and flare, all in a weather-sealed magnesium housing with damped manual focus. Luminous depth-of-field markings and a 1:2 maximum magnification enable low-light precision, while its 95mm front and rear gelatin filter support attachment flexibility. It’s best for Nikon F landscape and architectural photographers who need a durable, all-weather ultra-wide prime with critical manual focus control.
Focal length 15mm
Aperture 22
Mount Nikon F
Weather Sealed はい
Weight 685 g
af type manual focus only
lens type prime
49 総合スコア
価格 $379
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Cons
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Optics
| Type | prime |
| Focal Length Min | 15 |
| Focal Length Max | 15 |
| Elements | 15 |
| Groups | 11 |
| Aspherical Elements | 2 |
| ED Elements | 2 |
| Coating | Neutrino coating |
Aperture
| Max Aperture | 22 |
| Min Aperture | 2.4 |
| Constant | No |
| Diaphragm Blades | 9 |
Build
| Mount | Nikon F |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.5 lbs |
| Filter Thread | 95 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 280 |
| Max Magnification | 1:2 |
競合製品との比較
| Spec | IRIX Blackstone 15mm f/2.4 Blackstone 15mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Nikon Nikkor 2166 | Panasonic LUMIX S S-R28200 | Canon EF-S 18-135mm f/3.5-5.6 IS USM |
|---|---|---|---|---|---|---|
| Focal Length | 15mm | 16-300mm | 18-300mm | 55-200mm | 28-200mm | 18-135mm |
| Max Aperture | 22 | f/3.5 | f/3.5 | f/4 | f/4 | f/3.5 |
| Mount | Nikon F | Sony E | Fuji X | Nikon F | L-Mount | Canon EF-S |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | false | false | true | false |
| Weight (g) | 685 | 615 | 92 | 255 | 413 | 515 |
| AF Type | manual focus only | HLA | VXD linear motor | Silent Wave Motor | Autofocus | STM |
| Lens Type | prime | zoom | zoom | telephoto | macro | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| IRIX Blackstone 15mm f/2.4 Blackstone 15mm | 14.6 | 28.4 | 52.9 | 70.8 | 84.1 | 24.5 | 34.1 | 66.3 | 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 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.2 | 75.5 | 96.4 | 87.8 | 74.3 | 77.5 | 99.2 | 83.1 | 81.1 |
| Nikon Nikkor 2166 Compare | 54.9 | 70.3 | 76.8 | 81.2 | 66.4 | 71.8 | 85.3 | 83.1 | 92.5 |
| Panasonic LUMIX S S-R28200 Compare | 54.9 | 78.4 | 73.9 | 70.8 | 91.2 | 71.8 | 95.6 | 62.6 | 99.4 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.6 | 75.5 | 46.6 | 33.2 | 79.8 | 77.5 | 96 | 78 | 92.5 |
