Überblick
The Irix 15mm f/2.4 Blackstone is a wide-angle prime lens designed for Pentax K-mount cameras and full-frame format. Its optical design combines aspherical, ED and HR elements to help control aberrations and distortion.
The lens features a Neutrino coating, manual focus operation with focus lock, depth-of-field and focus-distance scales, and a weather-sealed magnesium alloy housing.
Features
- Neutrino coating
- Manual focus design with focus lock
- UV fluorescent engraved markings
- Depth-of-field and focus-distance scales
- Rounded nine-blade diaphragm
Included
- IRIX 15mm f/2.4 Blackstone Lens for Pentax K
- IRIX 95mm Front Lens Cap for 15mm f/2.4 Blackstone or Firefly
- 2 x IRIX Rear Cap for Pentax K-Mount Lenses
- IRIX Lens Hood for 15mm f/2.4
- IRIX Hard Lens Case (Black)
Specifications
| Focal Length | 15mm |
|---|---|
| Aperture | Maximum: f/2.4 Minimum: f/22 |
| Lens Mount | Pentax K |
| Lens Format Coverage | Full-Frame |
| Angle of View | 110° |
| Minimum Focus Distance | 11" / 28 cm |
| Optical Design | 15 Elements in 11 Groups |
| Aperture/Iris Blades | 9, Rounded |
| Focus Type | Manual Focus |
| Image Stabilization | No |
| Filter Size | 95 mm (Front) Gel Filter (Rear) |
| Dimensions | 4.5 x 3.9" / 114 x 100 mm (Diameter x Length) |
| Weight | 1.5 lb / 685 g / 0.68 kg |
| Package Weight | 2.77 lb / 1.26 kg |
| Box Dimensions (LxWxH) | 11.8 x 5.2 x 5.2" / 29.97 x 13.21 x 13.21 cm |








































