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
Avantages et inconvénients
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
L'évolution de l'avis des propriétaires dans le temps
ExclusivitéD'après la date à laquelle les clients ont rédigé leurs avis - pour voir si l'enthousiasme initial s'est confirmé.
D'après 21 avis clients datés, regroupés par trimestre civil. L'analyse par période est en anglais.
The proof
Performances
Caractéristiques techniques
Fiche technique complète
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 la concurrence
| 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 | Canon EF-S 18-135mm f/3.5-5.6 IS USM |
|---|---|---|---|---|---|---|
| Focal Length | 11mm | 16-300mm | 18-300mm | 28-200mm | 16-85mm | 18-135mm |
| Max Aperture | 22 | f/3.5 | f/3.5 | f/4 | f/3.5 | f/3.5 |
| Mount | Pentax K | Sony E | Fuji X | L-Mount | Nikon F | Canon EF-S |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | false | true | false | false |
| Weight (g) | 790 | 615 | 92 | 413 | 59 | 515 |
| AF Type | Manual Focus | HLA | VXD linear motor | Autofocus | AF-S | STM |
| Lens Type | wide-angle | zoom | zoom | macro | zoom | zoom |
| 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 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 85.5 | 78 | 45.8 | 32.7 | 79 | 79.8 | 0 | 96.1 | 77.9 | 92.3 |
Price
Rapport qualité-prix
Amazon.es 1 offres À partir de 425 €
Scores par usage
Un test complet arrive bientôt. Les caractéristiques, scores, prix et graphiques ci-dessus sont toujours à jour.
