Irix 15mm f/2.4 Blackstone Nikon

Irix 15mm f/2.4 Blackstone Nikon – A fantastic wide-angle lens for creative photographers

Irix 15mm f/2.4 Blackstone is an ultra-wide-angle, rectangular manual focus lens, specially designed for DSLR cameras. This lens is perfect for nature, astro, and architectural photography, making it an excellent choice for photographers seeking exceptional image quality and flexibility in their projects.

Design and optical quality

With a focal length of 15mm, the Irix Blackstone offers a fantastic angle of view of 110° diagonally, allowing you to capture more of the subject in every shot. The lens is constructed with 15 elements in 11 groups, including three high-refractive glass elements and two extra-low dispersion glass elements. This carefully designed optics ensures high image quality and enhances brightness, especially at the edges of the image, while minimizing distortion and aberration.

Manual focus and user-friendliness

The unique features such as focus lock, infinity lock, and hyperfocal scale elevate the functionality of this manual focus lens to a new level. Thanks to the sophisticated optical design and special neutrino coating, color fringing, ghosting, and flare have been minimized to an absolute minimum, providing clean and clear image quality even under challenging conditions.

Practical features

With a minimum focusing distance of 0.25 meters (0.99 feet) and nine rounded aperture blades, the lens offers a soft and pleasant bokeh in the background, which is perfect for highlighting the main subject. Additionally, users can easily attach 95 mm screw filters to the front of the lens and gelatin filters to the back, providing increased creativity and flexibility in photography.

Specifications

• Image size: 35mm "Full Frame"
• Focal length: 15 mm
• Field of view: 110° (diagonally)
• Focus range: 0.25 m
• Focusing type: Manual with lock function and focus confirmation
• Aperture range: F/2.4 – F/22
• Aperture control: Via camera
• Aperture shape: 9 rounded blades
• Lens construction: 15 elements in 11 groups (3X HR, 2X ED, 2X ASP)
• Front filter thread: 95 X 1.0 mm
• Rear filter thread: 30 X 30 mm
• Dimensions: 114 X 100 mm
• Weight: 625 g
• Material: Weather-resistant aluminum and magnesium
• Warranty: 2 years

Frequently asked questions

What is the focal length of the Irix 15mm f/2.4 Blackstone Nikon?
The focal length is 15 mm.

What field of view does the lens offer?
The lens offers a field of view of 110° diagonally.

What is the minimum focus distance for this lens?
The minimum focus distance is 0.25 meters.

How many aperture blades does the lens have?
The lens has nine rounded aperture blades.