Irix 11mm f/4.0 Firefly Nikon

Irix 11mm f/4.0 Firefly Nikon – Exceptional wide-angle with low distortion

Irix 11mm f/4.0 Firefly is the perfect choice for filmmakers and photographers looking for an extremely wide manual focus lens for their DSLR cameras. With a field of view of 126°, this lens offers a unique opportunity to capture magnificent landscapes and tight spaces with incredible detail.

Design and optics

This lens is designed for full-frame and uses high-quality optical components to ensure minimal distortion, as low as 3.13%. It consists of 16 elements in 10 groups, including 4 high-refractive lenses, 2 ED lenses, and 3 aspherical lenses. These elements work together to provide sharp and clear image quality, making the Irix 11mm f/4.0 Firefly unique in its class.

Robust and weather-sealed construction

Every Irix lens is built with a weather-sealed construction that protects against dust and moisture. The internal seals also protect against accidental splashes. The Firefly version has three rubber seals that protect the camera mount and focusing mechanism, making it ideal for outdoor use in changing weather conditions.

Ergonomic design for easy use

With an ergonomic focusing ring that has a rubber grip, this lens offers smooth and comfortable use. It is also the lightest lens in its class, making it easy to carry during long shooting sessions.

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: No
• Rear filter thread: 30 x 30mm
• Dimensions: 118 x 100 mm
• Weight: 730g

Frequently asked questions

What is the angle of view of the Irix 11mm f/4.0 Firefly?
The angle of view is 126° (diagonal).

What type of focus does the Irix 11mm f/4.0 Firefly have?
It has manual focus with a locking function and focus confirmation.

Is the Irix 11mm f/4.0 Firefly weather-sealed?
Yes, the lens has a weather-sealed construction that protects against dust and moisture.

How many elements and groups does the lens consist of?
The lens consists of 16 elements in 10 groups, including 4 high-refractive lenses, 2 ED lenses, and 3 aspherical lenses.