Irix 11mm f/4.0 Blackstone Nikon

Irix 11mm f/4.0 Blackstone Nikon – Extreme wide-angle with minimal distortion

Irix 11mm f/4.0 Blackstone for Nikon is an exceptional manual focus lens that offers an impressive 126° field of view. This lens is designed for DSLR cameras and targets both professional and amateur photographers looking for a high-quality solution for wide-angle images. With its unique construction and advanced optics, it delivers fantastic results in a variety of shooting scenarios.

Features and benefits

The Irix 11mm f/4.0 Blackstone is constructed with four high-refractive lenses, two ED lenses, and three aspherical lenses, resulting in an extremely low distortion of only 3.13%. This feature is crucial for photographers who want to achieve sharp and accurate images without the common issues associated with wide-angle lenses. With a focusing range of 0.275 meters, the user can capture details even up close, making the lens versatile for different types of photography.

The robust construction of aluminum-magnesium alloy ensures that the lens withstands tough conditions, while the rubber seals integrated into the design protect against dust and moisture. This is particularly important for photographers who often work outdoors or in challenging environments. Additionally, the lens has fluorescent engravings that make it easy to use even in low light.

Specifications

• Image size: 35mm Full Frame
• Focal length: 11mm
• Field of view: 126° (diagonal)
• Focusing range: 0.275 m (0.9 ft)
• Focusing type: Manual with lock function and focus confirmation
• Aperture range: f/4 – f/22
• Aperture control: Via camera
• Aperture shape: 9 rounded blades
• Lens construction: 16 elements in 10 groups (4x HR, 2x ED, 3x ASP)
• Front filter thread: None
• Rear filter thread: 30 x 30mm
• Dimensions: 118 x 100 mm
• Weight: 790g

Frequently asked questions

What is the field of view for the Irix 11mm f/4.0 Blackstone Nikon?
The field of view is 126° (diagonal).

What type of focusing does the lens have?
The lens has manual focusing with a lock function and focus confirmation.

What is the minimum focusing distance for this lens?
The focusing range is 0.275 meters.

What material is the lens constructed from?
The lens is constructed from aluminum-magnesium alloy.