Irix announce 21mm F1.4 lens

Irix has announced the 21mm F1.4 full-frame lens for Canon EF, Nikon F and Pentax K mount cameras. This lens features a electronic aperture control allowing the aperture to be controlled from the camera, but is still a manual focus lens. It also features a focus lock function.

The lens has 15 elements in 11 groups which include 4 ultra-low dispersion glass elements, 4 high reflectance elements and 2 aspherical elements.
 

Irix 21mm f/1.4 – main features:

• Fast aperture f/1.4
• Ultra wide-angle focal length with a 89.7 ° field of view
• Unrivaled optical quality
• Distortion below 2%
• Internal focusing
• Sealed design
• Aperture control via camera
• In camera focus confirmation
• Compatible with PASM semi-automatic modes
• Full EXIF data
• “Focus Lock” function
• 140-degree rotation angle of the focus ring
• Reinforced internal structure  

The lens housing is a continuation of the Dragonfly manufacturing standard known from earlier Irix models. Its most important aspects are:

• Reinforced internal structure based on metal elements
• Scratch-resistant lens finish
• Anti-skid sharpening ring with special finish for easy sharpening
• Engraved markings filled with UV-reactive ink
• Outstanding tightness to protect against dust and water
• Rigid carrying case supplied as standard  

The lens is available with Canon EF, Nikon F and Pentax K mounts, and is also adapted to work with mirrorless systems using dedicated adapters. The lens is priced at £675.75