Irix 11mm F4 Review Posted

Widest rectilinar prime lens for Pentax full frame

By bdery in Review Announcements on Aug 1, 2018

Irix is a newcomer in the photography market.  The manufacturer seems intent, for the moment at least, on offering high quality wide-angle lenses. The company has a growing user base and its products certainly garner interest. After testing the ultra wide angle Irix 15mm F2.4, we venture even further in extreme wide angle territory with our review of the Irix 11mm F4!

Like the 15mm, the Irix 11mm lenses are offered in two optically identical version. The Firefly is the cheaper variant, with a lighter plastic body, while the Blackstone is definitely more high-end, sporting a metal alloy body, full weather sealing and a few extra perks.

Like its sibling, the Irix 11mm is a full-frame rectilinear lens. Making such a wide focal length rectilinear is impressive (it covers a whopping 126° diagonally). Did the designers manage to preserve optical performance or is the lens too much of a compromise? Being more of a specialized product, user reviews of the 11mm are scarce.

In this in-depth review we try to answer these questions and see just how good the  Irix 11mm F4 can be.  Is it as good as the company's 15mm? Read on to find out!

Irix 11mm F4 Firefly & Blackstone Review

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