IRIX 11mm f/4 Blackstone Lens for Pentax K
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Features
- Pentax K-Mount/Full-Frame Format
- Aperture Range: f/4 to f/22
- Three Aspherical Elements
- Two ED and Four HR Elements
- Neutrino Coating
Description
The IRIX 11mm f/4 Blackstone Lens for Pentax K is an ultra-wide prime designed for Pentax K-mount DSLRs. As a rectilinear lens, the optical layout makes use of aspherical, extra-low dispersion, and high-refractive index elements to control distortion and aberrations for rendering with a high degree of clarity and colour accuracy.
Specifications
Focal Length | 11mm |
Maximum Aperture | f/4 |
Minimum Aperture | f/22 |
Lens Mount | Pentax K |
Lens Format Coverage | Full-Frame |
Angle of View | 126° |
Minimum Focus Distance | 10.83" / 27.5 cm |
Optical Design | 16 Elements in 10 Groups |
Diaphragm Blades | 9, Rounded |
Focus Type | Manual Focus |
Image Stabilisation | No |
Filter Size | Gel Filter (Rear) |
Dimensions (ø x L) | 118 x 103 mm |
Weight | 790 g |
In The Box
- IRIX 11mm f/4 Blackstone Lens for Pentax K
- Front Lens Cap
- IRIX Rear Cap for Pentax K-Mount Lenses
- IRIX Hard Lens Case (Black)
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Details
- Product: IRIX 11mm f/4 Blackstone Lens for Pentax K
- Manufacturer: IRIX
- Model: IL-11BS-PK
- SKU: IL-11BS-PK
- RM Product #: 99038
- Zoom or Prime Lens: Prime
- Lens Type: Wide
- Lens Mount: Pentax K
- Maximum Aperture: f/4
- Focus Type: Manual Focus
- Warranty: 2 Years