IRIX Blackstone 11mm f/4 Blackstone
The 11mm focal length, constant f/4 aperture, and advanced optic layout with three aspherical and two ED elements ensure sharp, rectilinear images free of distortion, housed in a weather-sealed magnesium alloy body. A manual focus mechanism includes a focus lock, UV fluorescent engraved markings, and a rounded nine-blade diaphragm for precise control and smooth bokeh. This lens suits architectural and interior photographers who demand a rugged, weather-resistant ultra-wide prime for detailed, field-based work.
이 Lens 정보
The 11mm focal length, constant f/4 aperture, and advanced optic layout with three aspherical and two ED elements ensure sharp, rectilinear images free of distortion, housed in a weather-sealed magnesium alloy body. A manual focus mechanism includes a focus lock, UV fluorescent engraved markings, and a rounded nine-blade diaphragm for precise control and smooth bokeh. This lens suits architectural and interior photographers who demand a rugged, weather-resistant ultra-wide prime for detailed, field-based work.
- Focal length 11mm
- Max aperture 22
- Mount Pentax K
- Weather sealed
- Weight g 790
- Af type Manual Focus
- Lens type wide-angle
개요
성능
장단점
Pros
- Strong optical (89th percentile) 89th
- Strong macro (71th percentile) 71th
Cons
- Below average af (14th percentile) 14th
- Below average user sentiment (17th percentile) 17th
- Below average aperture (21th percentile) 21th
- Below average build (22th percentile) 22th
사양
전체 사양
Optics
| Type | wide-angle |
| Focal Length Min | 11 |
| Focal Length Max | 11 |
| Elements | 16 |
| Groups | 10 |
| Aspherical Elements | 3 |
| ED Elements | 2 |
| Coating | Neutrino coating |
Aperture
| Max Aperture | 22 |
| Min Aperture | 4 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Pentax K |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.8 kg / 1.7 lbs |
AF & Stabilization
| AF Type | Manual Focus |
| Stabilization | No |
Focus
| Min Focus Distance | 275 |
가성비 분석
경쟁 제품 비교
| Spec | IRIX Blackstone 11mm f/4 Blackstone | Sigma Contemporary 16-300mm F3.5-6.7 DC OS | Canon L RF 15-35mm F2.8 L IS USM | Viltrox AF 56mm f/1.7 | Meike Neo Series MK-5514STM-Z | Panasonic LUMIX S S-R28200 |
|---|---|---|---|---|---|---|
| Focal Length | 11mm | 16-300mm | 15-35mm | 56mm | 55mm | 28-200mm |
| Max Aperture | 22 | f/1.4 | f/2.8 | f/1.7 | f/1.4 | f/4 |
| Mount | Pentax K | Sony E | Canon RF | Fujifilm X | Nikon Z | L-Mount |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | true | false | false | true |
| Weight (g) | 790 | 1089 | 840 | 171 | 280 | 413 |
| AF Type | Manual Focus | HLA | Nano USM | STM | STM | Autofocus |
| Lens Type | wide-angle | zoom | zoom | prime | prime | macro |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| IRIX Blackstone 11mm f/4 Blackstone | 13.5 | 23.4 | 21.5 | 71.2 | 88.8 | 20.6 | 17 | 34.4 | 54.8 | 34.2 |
| Sigma Contemporary 16-300mm F3.5-6.7 DC OS Compare | 53.3 | 94.4 | 33.8 | 84.5 | 98.9 | 94.5 | 0 | 99.7 | 89.6 | 99.1 |
| Canon L RF 15-35mm F2.8 L IS USM Compare | 94.1 | 80.1 | 43.8 | 70.1 | 90.3 | 77.6 | 80.3 | 76.6 | 89.6 | 96.5 |
| Viltrox AF 56mm f/1.7 Compare | 86 | 92 | 85.7 | 94.2 | 69.8 | 91.3 | 63.8 | 34.4 | 89.6 | 79.6 |
| Meike Neo Series MK-5514STM-Z Compare | 86 | 94.4 | 73.1 | 94.5 | 51.1 | 94.5 | 80.3 | 34.4 | 89.6 | 79.6 |
| Panasonic LUMIX S S-R28200 Compare | 53.3 | 70.1 | 73.8 | 87.5 | 91.4 | 63.3 | 0 | 95.9 | 89.6 | 99.5 |
용도별 점수
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