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
फायदे और नुकसान
Pros
- Strong optical (88th percentile) 88th
- Strong macro (72th percentile) 72th
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
मालिकों की राय समय के साथ कैसे बदली
विशेषग्राहकों ने वास्तव में अपनी समीक्षाएँ कब लिखीं, इसके आधार पर — ताकि आप देख सकें कि शुरुआती तारीफ़ टिकी या नहीं।
21 तिथि-युक्त ग्राहक समीक्षाओं पर आधारित, कैलेंडर तिमाही के अनुसार समूहित। अवधि-वार विश्लेषण अंग्रेज़ी में है।
The proof
प्रदर्शन
तकनीकी विशेषताएं
पूर्ण विनिर्देश
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 |
प्रतिस्पर्धियों से तुलना
| 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 | Nikon NIKKOR Z 28-400mm f/4-8 VR | Panasonic LUMIX S S-R28200 | Canon EF-S 18-135mm f/3.5-5.6 IS USM |
|---|---|---|---|---|---|---|
| Focal Length | 11mm | 16-300mm | 18-300mm | 28-400mm | 28-200mm | 18-135mm |
| Max Aperture | 22 | f/3.5 | f/3.5 | f/4 | f/4 | f/3.5 |
| Mount | Pentax K | Sony E | Fuji X | Nikon Z | L-Mount | Canon EF-S |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | false | true | true | false |
| Weight (g) | 790 | 615 | 92 | 726 | 413 | 515 |
| AF Type | Manual Focus | HLA | VXD linear motor | STM | Autofocus | STM |
| Lens Type | wide-angle | zoom | zoom | zoom | macro | 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 | 14.5 | 28.4 | 20.2 | 71.9 | 88.4 | 24.6 | 10 | 34.1 | 55.7 | 36 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 84.6 | 58.7 | 85.9 | 98.9 | 77.5 | 0 | 99.6 | 78 | 99 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.3 | 75.5 | 96.4 | 87.8 | 74.3 | 77.5 | 30.2 | 99.2 | 83.1 | 81.1 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86.6 | 78.4 | 51.1 | 81.2 | 97 | 71.8 | 0 | 98.9 | 83.1 | 98.2 |
| Panasonic LUMIX S S-R28200 Compare | 54.8 | 78.4 | 74.2 | 70.8 | 91.2 | 71.8 | 0 | 95.6 | 62.2 | 99.4 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.6 | 75.5 | 46.8 | 33.3 | 79.8 | 77.5 | 0 | 96 | 78 | 92.5 |
Price
कीमत के अनुसार मूल्य
Amazon.es 1 ऑफ़र से €425
उपयोग के अनुसार स्कोर
पूरी समीक्षा जल्द ही आ रही है। ऊपर दिए गए स्पेसिफिकेशन, स्कोर, कीमतें और चार्ट हमेशा अपडेट रहते हैं।
