Camera lens - Irix 11mm f/4.0 Blackstone lens
Product reference:
14-7640172190319
Manual focus 11mm f/4,0 rectilinear wide-angle lens for full-frame DSLR cameras, featuring a 126° diagonal angle of view and a minimum focusing distance of just 0.275 m. The " Blackstone " version has a body made of aluminum and magnesium alloy, is weather-sealed, has nine rounded diaphragm blades and an optical construction of 16 elements in 10 groups.
Camera lens - Irix 11mm f/4.0 Blackstone lens
Product reference:
14-7640172190319
Manual focus 11mm f/4,0 rectilinear wide-angle lens for full-frame DSLR cameras, featuring a 126° diagonal angle of view and a minimum focusing distance of just 0.275 m. The " Blackstone " version has a body made of aluminum and magnesium alloy, is weather-sealed, has nine rounded diaphragm blades and an optical construction of 16 elements in 10 groups.
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Guarantee
24 month
Delivery from Europe in
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Irix 11mm f/4.0 Blackstone lens
Manual focus 11mm f/4.0 rectilinear wide-angle lens for full-frame DSLR cameras. Its diagonal angle of view reaches 126° and the closest focusing distance is 0.275 m. The " Blackstone " version has an aluminum and magnesium body, weather protection, nine rounded diaphragm blades and an optical construction of 16 elements in 10 groups.
- Ultra-wide-angle 11mm rectilinear full-frame lens providing 126° diagonal angle of view
- Advanced optical design with high refractive index, ED and aspherical elements reduces distortion and ensures sharp images
- Durable " Blackstone " aluminum-magnesium alloy body with weather-resistant construction
- Manual focus with focus lock and camera focus confirmation; fluorescent targets facilitate use in low-light conditions
Product information | |
|---|---|
| Product type | Full-frame DSLR camera lens |
| Brand | Irix |
| Model | 11mm f/4.0 Blackstone |
| Lens type | Rectilinear ultra-wide angle lens |
| Connection | Pentax |
Optical characteristics | |
| Focal length | 11 mm |
| Maximum aperture | f/4.0 |
| Aperture range | f/4-f/22 |
| Viewing angle | 126° diagonally |
| Image format | 35mm full frame |
| Diaphragm plates | 9 rounded plates |
| Optical design | 16 elements divided into 10 groups |
| Optical elements | 4 high refractive index elements, 2 ED elements and 3 aspherical elements |
Focus and control | |
| Focus type | Manual focus |
| Minimum focusing distance | 0.275 m |
| Focusing functions | Focus lock function and camera focus confirmation |
| Aperture control | Through the camera |
Construction and dimensions | |
| Housing material | Aluminum-magnesium alloy |
| Weather protection | Sealed construction with rubber gaskets to protect against dust and moisture |
| Tags | Etched fluorescent markings for low-light work |
| Front filter thread | None |
| Rear filter holder | 30 × 30 mm |
| Dimensions | 118 × 100 mm |
| Weight | 790 g |
Safety information | |
| Safety warning | Use the lens only with compatible Pentax DSLR camera equipment. Protect the lens from excessive water, shock, heat, and dust, even if its construction is weatherproof. Store the lens with the front and rear optical surfaces protected when not in use. |
| Height | 150mm |
| Length | 150mm |
| Weight | 1050g |
| Width | 150mm |
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