Irix 15mm f/2.4 Firefly review

This is a seriously wide prime lens that’s also seriously tempting at the price

Digital Camera World Verdict

The Irix 15mm combines impressive handling and build quality with superb image quality, at a bargain price. The only flaw in our review sample was the lack of exposure consistency.


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    Smooth controls

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    Compatible with auto exposure

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    Excellent sharpness


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    Manual focus only

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    Some vignetting at wider apertures

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    Occasionally erratic aperture control

Why you can trust Digital Camera World Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out how we test.

The market in fixed-focal-length (prime) lenses is booming, especially for more specialised optics like ultra-wide-angle lenses.

And despite the high-tech thrills of autofocus, auto-exposure and auto everything else, there’s a growing number of lens manufacturers who seem intent on turning back the clock to the days before autofocus. Irix is a notable newcomer, blending Swiss design with Korean manufacture. 

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