IRIX Blackstone 11mm f/4 Blackstone 11mm
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
Aperture 22
Mount Pentax K
Weather Sealed 예
Weight 790 g
af type Manual Focus
lens type wide-angle
34 종합 점수
가격 R$0
Snapshot
장단점
Pros
- Strong optical (88th percentile) 88th
- Strong macro (72th percentile) 72th
Cons
- Below average user sentiment (9th percentile)
- Below average af (15th percentile)
- Below average build (20th percentile)
- Below average aperture (26th percentile)
What owners think
시간에 따라 사용자 평판이 어떻게 변했는가
독점고객이 실제로 리뷰를 작성한 시점을 기준으로 합니다. 초기의 호평이 유지되었는지 확인할 수 있습니다.
사용자 평판이 시간이 지나며 좋아졌습니다
68/100당사 AI 감성 분석
날짜가 있는 고객 리뷰 21건을 기준으로 달력 분기별로 묶었습니다. 기간별 분석은 영어로 제공됩니다.
The proof
성능
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 |
경쟁 제품 비교
| Spec | IRIX Blackstone 11mm f/4 Blackstone 11mm | 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 | 11mm | 16-300mm | 18-300mm | 28-200mm | 16-85mm | 70-200mm |
| Max Aperture | 22 | f/3.5 | f/3.5 | f/4 | f/3.5 | 2.8 |
| Mount | Pentax K | Sony E | Fuji X | L-Mount | Nikon F | Sony E |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | false | true | false | true |
| Weight (g) | 790 | 615 | 92 | 413 | 59 | 1045 |
| AF Type | Manual Focus | HLA | VXD linear motor | Autofocus | AF-S | XD Linear Motors |
| Lens Type | wide-angle | zoom | zoom | macro | zoom | telephoto |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| IRIX Blackstone 11mm f/4 Blackstone 11mm | 15.3 | 29.8 | 20.1 | 72.4 | 87.9 | 25.6 | 9.4 | 34 | 55.8 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 86.5 | 57.7 | 86.5 | 98.9 | 79.8 | 0 | 99.6 | 77.9 | 99 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98 | 78 | 96.2 | 88.4 | 73.5 | 79.8 | 29.7 | 99.2 | 83 | 80.6 |
| Panasonic LUMIX S S-R28200 Compare | 54.8 | 80.8 | 73.6 | 89.5 | 90.9 | 74.5 | 0 | 95.7 | 62.7 | 99.4 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 54.8 | 78 | 98.5 | 59.7 | 64.1 | 79.8 | 81 | 94.3 | 88 | 92.3 |
| Sony G Master SEL70200GM2 Compare | 98 | 92.4 | 33.4 | 33.1 | 84.4 | 85.9 | 81 | 79.4 | 95 | 80.6 |
용도별 점수
전체 리뷰가 곧 제공됩니다. 위의 사양, 점수, 가격 및 차트는 항상 최신 상태로 유지됩니다.
