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Irix 15 mm f/ 2.4 Lens

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Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

Irix 15 mm f/ 2.4 lens

MTF-charts

Irix 15 mm f/ 2.4 MTF Chart

Irix 15 mm f/ 2.4 MTF Chart

Optical design

Irix 15 mm f/ 2.4 optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: Canon EF, EF-S, Nikon F (FX, DX), Pentax K

First year of production: 2016

Optical design: 15 elements in 11 groups

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Average price: $745

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
15mmf/2.4f/2290.2895685/24,2100/3,9

Additional information:

The Irix 15mm F2.4 is an ultra wide angle prime lens for full frame SLRs and SLMs.

It is coming in two versions: Blackstone and Firefly. Both feature the same optical formula, but the more expensive Blackstone features an aluminum-magnesium alloy construction, metal-grooved focusing ring, and anti-scratch coating. The Firefly trades these things in order to save you weight and cash. It is cheaper and features an anti-slip rubber focusing ring and a lightweight construction that is 12% lighter than its all metal brother.

A focus lock feature in the lens allows the focus ring to be locked in any position, ensuring that your chosen settings for a shot don’t get unintentionally changed.

Other specs and features of the lens include optimization for 50+ megapixel sensors, a special design and coating that reduces aberration/ghosting/flare, 15 elements in 11 groups, a minimum focusing distance of 0.28m (~0.92ft),a 9-blade aperture, and weather sealing against dust and moisture.

The UV light reactive engraved markings on the Blackstone glow in the dark, making this ultra-wide 15mm Blackstone  the better lens for night shooting.


Links to online resources:
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Posted by: Andreas Lindemann   Date of publication: 24.10.2018



Photos taken with this lens Irix 15 mm f/ 2.4:


Springtime
Autor: andreaspekte
4.5 0 52

Mechanical quality5.001
Optical quality5.001
Usability5.001
Pricing / Value5.001
Bokeh5.001
Overall lens rating
5.00

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