Irix 11mm f/4 Blackstone Lens for Pentax K
Model: IL-11BS-PK
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Specifications
Physical
Weight | 1.74 lb (790 g) |
Filter Thread | Rear Gel: |
Dimensions (DxL) | Approx. 4.65 x 4.06" (118 x 103 mm) |
Performance
Format Compatibility | 35mm Film / Full-Frame Digital Sensor |
Angle of View | 126° |
Minimum Focus Distance | 10.83" (27.5 cm) |
Focal Length | 11mm |
Diaphragm Blades | 9, Rounded |
Elements/Groups | 16/10 |
Aperture | Maximum: f/4Minimum: f/22 |
Camera Mount Type | Pentax K |
Features
Autofocus | No |
- Pentax K-Mount/Full-Frame Format
- Aperture Range: f/4 to f/22
- Three Aspherical Elements
- Two ED and Four HR Elements
- Neutrino Coating
- Manual Focus Design with Focus Lock
- UV Fluorescent Engraved Markings
- Depth of Field and Focus Distance Scales
- Weather-Sealed Magnesium Alloy Housing
- Rounded Nine-Blade Diaphragm
- IRIX 11mm f/4 Blackstone Lens for Pentax K
- Front Lens Cap
- Rear Cap for Pentax K-Mount Lenses
- Hard Lens Case (Black)
- Limited 5-Year Warranty