Optics producer Irix has introduced the discharge of a stills model of its 21mm prime lens, the 21mm F1.4. As with the opposite lenses in Irix’s cine and stills lineups, this lens stays optically unchanged from its cine counterpart, with the one distinction being the exterior design and extra conventional focus ring.
Illustration of the optical development of the 21mm F1.4 lens. |
This full-frame lens is constructed of 15 components in 11 teams, together with 4 ultra-low dispersion components, 4 high-refractive index components and two aspherical components. Irix says the optical development limits distortion to underneath 2%, making it a great candidate for architectural and actual property images.
The 21mm F1.4 lens options digital aperture management, however is a guide focus lens with the same old rubber grip discovered on Irix’s different stills optics. Different options embody an aperture vary of F1.4 to F16, an 11-blade aperture diaphragm and a minimal focusing distance of 30cm (11.8″).
The lens is weather-sealed and is chipped to offer full EXIF information switch and focus affirmation assist for appropriate cameras. It additionally options Irix’s focus-lock ring, which helps to forestall unintended bumps on the main focus ring. Under is a small pattern gallery of pictures captured with the 21mm F1.4 lens:
The lens is offered for Canon EF, Nikon F and Pentax Ok mounts, however can also be totally appropriate with mirrorless cameras by way of the suitable adapters. The Irix 21mm F1.4 lens is at the moment out there via Irix’s EU on-line store for £675.75 / ~$890.