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.
Snapshot
Prós e contras
Pros
- Strong optical (88th percentile) 88th
- Strong macro (73th percentile) 73th
Cons
- Below average user sentiment (10th percentile)
- Below average af (15th percentile)
- Below average build (20th percentile)
- Below average aperture (25th percentile)
What owners think
Como a opinião dos donos mudou ao longo do tempo
ExclusivoCom base em quando os clientes realmente escreveram suas avaliações - para ver se os elogios iniciais se mantiveram.
Com base em 21 avaliações de clientes datadas, agrupadas por trimestre civil. A análise por período está em inglês.
The proof
Desempenho
Especificações
Especificações completas
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 |
Face à concorrência
| Spec | IRIX Blackstone 11mm f/4 Blackstone 11mm | Canon RF RF28-70mm F2.8 IS STM Macro | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III-A 18-300mm f/3.5-6.3 Di III-A VC VXD | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR | Panasonic LUMIX S S-R28200 |
|---|---|---|---|---|---|---|
| Focal Length | 11mm | 28-70mm | 16-300mm | 18-300mm | 16-85mm | 28-200mm |
| Max Aperture | 22 | 2.8 | f/3.5 | f/3.5 | f/3.5 | f/4 |
| Mount | Pentax K | Canon RF | Sony E | Fuji X | Nikon F | L-Mount |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | true | false | false | true |
| Weight (g) | 790 | 495 | 615 | 92 | 59 | 413 |
| AF Type | Manual Focus | STM | HLA | VXD linear motor | AF-S | Autofocus |
| Lens Type | wide-angle | zoom | zoom | zoom | zoom | 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 11mm | 15.2 | 29.5 | 20.1 | 72.8 | 88 | 25.4 | 10.2 | 34 | 55.8 | 35.8 |
| Canon RF RF28-70mm F2.8 IS STM Macro Compare | 86 | 88.2 | 67 | 77.7 | 84.5 | 86 | 98.6 | 77.4 | 52.9 | 98.2 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 55.1 | 86.6 | 57.6 | 86.7 | 98.9 | 79.9 | 0 | 99.6 | 78.1 | 99 |
| Tamron Di III-A 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.2 | 78 | 96.2 | 88.6 | 73.5 | 79.9 | 30.3 | 99.2 | 83.2 | 80.7 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 55.1 | 78 | 98.5 | 59.9 | 64.2 | 79.9 | 81.4 | 94.2 | 88.1 | 92.3 |
| Panasonic LUMIX S S-R28200 Compare | 55.1 | 80.8 | 73.5 | 71.7 | 90.9 | 74.5 | 0 | 95.6 | 62.7 | 99.4 |
Price
Custo-benefício
B&H Photo 1 ofertas A partir de CA$ 579
Pontuações por utilização
Uma análise completa chega em breve. As especificações, pontuações, preços e gráficos acima estão sempre atualizados.
