The Irix 11mm f/4.0 is an extremely wide full frame rectalinear lens with an angle of view of 126°. It employs 4 high refractive lenses, 2 ED lenses, 3 aspherical lenses to guarantee very low distortion, as low as 3,13%, which makes Irix 11mm f/4.0 lens unique in its class. The special Blackstone version of the lens has engraved UV light reactive markings enable easy operation in low light conditions to facilitate the perfect photo. The Irix 11mm f/4.0 will be available next year in Canon EF, Nikon F and Pentax K mounts.

Irix are also showing a very early prototype of a 45mm f/1.4 full-frame lens at the Photokina show in Germany.

Check our our hands-on photos of the Irix 11mm f/4.0 and the Irix 45mm f/1.4 lenses

Specifications

Image size	35mm „Full Frame”
Focal length	11 mm
Field of View	126⁰ (diagonal)
Focusing range	0.275 m (0.9 ft) - ∞
Focusing type	manual with lock function
Aperture range	f/4.0 – f/22
Aperture control	via camera
Aperture shape	9 rounded blades
Lens construction	16 elements in 10 groups
Front filter thread	no
Rear gelatin filter slot	30 x 30 mm
Available mounts	Canon EF, Nikon F, Pentax K
Dimensions (DxH)	118 x 103 mm (4.49” x 4.05”)
Weight	730-790g (1.61 - 1.74 lbs)

Image Gallery

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