Summary:
Offering a wide-angle perspective, and characterized by its premium exterior build, the 15mm f/2.4 Blackstone Lens from Irix is a sophisticated prime lens. Benefitting the broad field of view is an advanced optical design that features aspherical, low-dispersion, and high-refractive index glass elements to control various aberrations and distortions, as well as maintain accurate and consistent color. A Neutrino coating is also utilized to control lens flare and ghosting and achieve a high degree of contrast and color fidelity when working in strong lighting conditions.
Complementing the optics, this 15mm f/2.4 makes use of a manual focus design for fine-tuned control, and incorporates a unique positive focus lock to secure the focusing position at any point for consistent, repeatable shooting. As the Blackstone version of this focal length, this lens is also distinguished by an aluminum and magnesium alloy exterior, engraved lens markings with fluorescent UV paint for high visibility, and extensive weather-sealing about the lens to permit working in harsh environments.
Focal Length 15mm
Aperture Maximum: f/2.4
Minimum: f/22
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Angle of View 110°
Minimum Focus Distance 11.02" / 28 cm
Optical Design 15 Elements in 11 Groups
Diaphragm Blades 9, Rounded
Features
Autofocus No
Physical
Filter Thread Front: 95 mm
Rear:
Dimensions (DxL) 4.49 x 3.94" / 114 x 100 mm
Weight 1.51 lb / 685 g
Packaging Info
Package Weight 2.55 lb
Box Dimensions (LxWxH) 7.6 x 6.0 x 5.9"
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