IRIX Blackstone 15mm f/2.4
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 f/22
Mount Pentax K
Weather Sealed 是
Weight 685 g
af type manual focus only
lens type prime
48 综合评分
价格 MX$0
概览
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实测数据
性能表现
规格参数
完整规格参数
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 | f/22 |
| Min Aperture | f/2.4 |
| Constant | No |
| Diaphragm Blades | 9 |
Build
| Mount | Pentax K |
| 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 |
竞品对比
| Spec | IRIX Blackstone 15mm f/2.4 | 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 | Panasonic LUMIX S S-R28200 | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR | Sony G Master SEL70200GM2 |
|---|---|---|---|---|---|---|
| Focal Length | 15mm | 16-300mm | 18-300mm | 28-200mm | 16-85mm | 70-200mm |
| Max Aperture | f/22 | f/3.5 | f/3.5 | f/4 | f/3.5 | f/2.8 |
| Mount | Pentax K | Sony E | Fujifilm X | L-Mount | Nikon F | Sony E |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | false | true | false | true |
| Weight (g) | 685 | 615 | 92 | 413 | 59 | 1045 |
| AF Type | manual focus only | HLA | VXD linear motor | Autofocus | AF-S | XD Linear Motors |
| Lens Type | prime | zoom | zoom | macro | zoom | telephoto |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| IRIX Blackstone 15mm f/2.4 | 15.3 | 27.9 | 52.3 | 71.4 | 83.5 | 24.2 | 34 | 66.1 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 84.3 | 57.9 | 86.5 | 98.8 | 76.9 | 99.6 | 83.1 | 99.1 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.1 | 75 | 96.3 | 88.4 | 73.5 | 76.9 | 99.2 | 83.1 | 80.5 |
| Panasonic LUMIX S S-R28200 Compare | 54.8 | 77.8 | 73.8 | 89.5 | 90.9 | 71.4 | 95.7 | 75.5 | 99.4 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 54.8 | 75 | 98.4 | 59.8 | 64.1 | 76.9 | 94.3 | 88 | 92.2 |
| Sony G Master SEL70200GM2 Compare | 98.1 | 90.8 | 33.3 | 33.1 | 87.2 | 83.8 | 79.4 | 94.8 | 80.5 |
