Irix 15 mm f/2.4 Blackstone

2 reviews

Jun, 2025

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alaTest has collected and analyzed 2 reviews of Irix 15 mm f/2.4 Blackstone. The average rating for this product is 5.0/5, compared to an average rating of 4.4/5 for other products in the same category for all reviews.

On average, users rate this product 100/100.

Review analysis

(Based on 2 reviews)

1 expert reviews

User Reviews

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Showing 1 - 2 of 2 Show Reviews: in English

Expert review by : Szymon Starczewski (lenstip.com)

Irix 15 mm f/2.4 Blackstone

It would be difficult not to have a feeling that there have been a kind of renaissance of manual optics in recent years. There have been a lot of launches in this sector and new instruments are presented not only by such tycoons as Leica, Zeiss or...

Solid, sealed casing with an interesting design ; Sensational image quality in the frame centre ; Good image quality on the edge of the APS-C sensor ; Imperceptible longitudinal chromatic aberration ; Low lateral chromatic aberration ; Lack of distinct...

Monstrous vignetting on full frame ; Weak performance against bright light

Sep, 2016

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Consumer review (lenstip.com)

Irix 15 mm f/2.4 Blackstone

It\'s a manual focus lens but no-one really needs autofocus with ultra-wides. The focus ring is quite stiff but I like it this way. Irix leaves the mechanical focus ring calibration to the customer (why?) but it\'s not a big deal. I simply left the...

Mechanical quality: all metal except of hoodOptical over-all qualityUltra-wide and ultra sharpMinor and simple barrel-type distortion easy to correctBeatiful color renderingIt takes front and rear filtersPrice

Crappy hoodStrong halo when pointed towards the sun stopped downSome minor flaresNo aparture ringMiscalibrated focus ring when delivered

Jul, 2017

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