Panoramica
The Irix 11mm f/4 Blackstone is a rectilinear ultra-wide prime lens for Nikon F-mount DSLRs. Its optical design includes aspherical, extra-low dispersion and high-refractive index elements to control distortion and aberrations.
A Neutrino coating helps control flare and ghosting in strong lighting conditions. The lens has manual focus operation with a focus lock, a weather-sealed magnesium alloy housing and a rounded nine-blade diaphragm.
E' dotato di porte di ingresso e uscita
- The 126° angle of view supports ultra-wide image capture.
- UV fluorescent engraved markings and depth-of-field and focus-distance scales are provided.
- The weather-sealed housing is made from magnesium alloy.
- The rounded nine-blade diaphragm forms the aperture.
- The lens uses a manual focus design and does not include image stabilization.
Incluso
- IRIX 11mm f/4 Blackstone Lens for Nikon F
- Front Lens Cap
- 2 x IRIX Rear Cap for Nikon F-Mount Lenses
- IRIX Hard Lens Case (Black)
Specifiche
| Lunghezza Focale | 11mm |
|---|---|
| Apertura | Maximum: f/4 Minimum: f/22 |
| Attacco obiettivo | Nikon F |
| 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 |
| Dimensione del filtro | Gel Filter (Rear) |
| Dimensioni | 4.6 x 4.1" / 118 x 103 mm (Diameter x Length) |
| Peso | 1.7 lb / 790 g / 0.77 kg |
| Package Weight | 3.075 lb / 1.39 kg |
| Box Dimensions (LxWxH) | 6.7 x 5.95 x 5.65" / 17.02 x 15.11 x 14.35 cm |





































