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Irix 15mm f / 2.4: Switzerland a bright new ultra wide-angle SLR

It appears in some ways to be returned to the glories of the 70s regarding the proliferation of choice in the front of the optics of third parties. German, Korean, Chinese, Japanese: are many brands offering for SLR and mirrorless targets in addition to those of the optical home park. Now the panorama of producers also adds Irix, coming this time from Switzerland.


"Created by engineers, perfected by designers" this is the motto of the first output of the brand: Irix 15mm f / 2.4. It is an ultra bright wide-angle to manual focusing for full frame SLR, and will be available with Canon EF mount, Nikon F and Pentax K. There are several special features that engineers have added to this goal. There is the ability to lock the focus, not to change it accidentally once fixed, but also a slight 'click' when the ring reaches the focus to infinity, so to have a tactile feedback without having to disconnect the eye lens. Not missing then the scale of the depth of field. Compared to many optics of this type that do not allow the use of filters new Irix 15mm f / 2.4 can accommodate filters by 95mm at the front (with special window in the hood to operate mobile ones), but also allows the inclusion of jellies in the rear, for maximum flexibility.


The lens also incorporates a calibration system (unlockable by a screw) to associate the most of the lens with your camera, ensuring the best performance. The goal should ensure excellent performance even on extremely high resolution cameras, holding safely for more than 50 megapixel sensors, thanks to the anti-reflection coating 'Neutrino Coating' and the use of aspherical lens elements, high refractive index and low dispersion. The optics is equipped with seals against the infiltration of water and dust. The minimum focusing distance is 28 cm, while the circular diaphragm is composed of 9 blades. particularly the Swiss manufacturer has chosen to offer the goal in two versions: one, called Blackstone, larger and all-metal built (with fluorescent written for good visibility in the dark), the other, called Firefly, lighter and it characterized by a focus ring to ergonomic, rubberized fire. Between the two versions, there are eighty grams of difference, with a weight that goes from a minimum of 581 grams of Firefly version Nikon to 685 grams of Blackstone Canon version. At the moment we were not disclosed prices, but the availability is expected to begin this quarter.

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