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Irix 11mm f/4.0 Blackstone Pentax
€619.00 KDV hariç
- 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
External warehouse, approximately 10 days or more
The Irix 11mm f/4 Blackstone is an ultra-wide prime lens designed for Pentax K-mount DSLRs and full-frame format. Its rectilinear optical design uses aspherical, extra-low dispersion and high-refractive index elements.
The lens features a Neutrino coating, manual focus with focus lock, and a weather-sealed magnesium alloy housing. UV fluorescent engraved markings and depth-of-field and focus-distance scales support manual operation.
Features
- Three aspherical elements
- Two ED and four HR elements
- Neutrino coating for controlling flare and ghosting
- UV fluorescent engraved markings
- Depth-of-field and focus-distance scales
- Rounded nine-blade diaphragm
Included
- IRIX 11mm f/4 Blackstone Lens for Pentax K
- Front Lens Cap
- 2 x IRIX Rear Cap for Pentax K-Mount Lenses
- IRIX Hard Lens Case (Black)
Specifications
| Focal Length | 11mm |
|---|---|
| Aperture | Maximum: f/4 Minimum: f/22 |
| Lens Mount | Pentax K |
| Lens Format Coverage | Full-Frame |
| Angle of View | 126° |
| Minimum Focus Distance | 10.8" / 27.5 cm |
| Optical Design | 16 Elements in 10 Groups |
| Aperture/Iris Blades | 9, Rounded |
| Focus Type | Manual Focus |
| Image Stabilization | No |
| Filter Size | Gel Filter (Rear) |
| Dimensions | 4.6 x 4.1" / 118 x 103 mm (Diameter x Length) |
| Weight | 1.7 lb / 790 g / 0.77 kg |
| Package Weight | 3.11 lb / 1.41 kg |
| Box Dimensions (LxWxH) | 6.7 x 5.65 x 5.65" / 17.02 x 14.35 x 14.35 cm |
| Ağırlık | 1.41 kg |
|---|---|
| Boyutlar | 17.02 × 14.35 × 14.35 cm |
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