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Irix 15mm F2.4

Canon EF

Irix 15mm F2.4

Focal length
15 mm
Aperture
f/2.4
Weight
568 g
Filter diameter
95 mm
Min. focus distance
28 cm
Length
100 mm
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At a Glance

The Irix 15mm F2.4 is an ultra-wide prime for Canon EF on full frame. Its f/2.4 aperture is wide for this focal length and allows shorter shutter times in dim light. It weighs 568 g and is focused manually, down to 28 cm. The filter thread measures 95 mm. It is aimed at landscapes, architecture and interiors.

Good for

  • Landscape
  • Architecture
  • Interiors

Worth knowing

  • No autofocus: focusing is manual only.
  • Large 95 mm filter thread: screw-in filters are correspondingly large.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
15 mm
Max. focal length
15 mm
Max. aperture (min. zoom)
f/2.4
Max. aperture (max. zoom)
f/2.4
Min. aperture
f/22
Elements
15
Groups
11
Weight
568 g (1.25 lb)
Filter diameter
95 mm
Min. focus distance
28 cm (11.02 in)
Length
100 mm (3.94 in)
Diameter
114 mm (4.49 in)

Manufacturer data: irixlens.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Irix 15mm F2.4 fit?

The Irix 15mm F2.4 is a full-frame lens for Canon EF cameras. On full-frame bodies it uses the whole sensor; on APS-C Canon EF cameras its field of view equals 24 mm in full-frame terms.

Canon EF cameras

Full frame:
Canon EOS-1D X Mark III,Canon EOS 6D Mark II,Canon EOS-1D X Mark II,Canon EOS 5D Mark IV,Canon EOS 5Ds,Canon EOS 5Ds R,Canon EOS 5D Mark III,Canon EOS 6D,Canon EOS-1D C,Canon EOS-1D X,Canon EOS 5D Mark II
APS-C:
Canon EOS 850D (Rebel T8i),Canon EOS 90D,Canon EOS 250D (Rebel SL3),Canon EOS 4000D (3000D, Rebel T100),Canon EOS 2000D (1500D, Rebel T7),Canon EOS 800D (Rebel T7i),Canon EOS 77D,Canon EOS 200D (Rebel SL2),Canon EOS 80D,Canon EOS 1300D (Rebel T6),Canon EOS 750D (Rebel T6i),Canon EOS 760D (Rebel T6s),Canon EOS 7D Mark II,Canon EOS 1200D (Rebel T5),Canon EOS 70D,Canon EOS 700D (Rebel T5i),Canon EOS 100D (Rebel SL1),Canon EOS 650D (Rebel T4i),Canon EOS 60Da,Canon EOS 600D (Rebel T3i),Canon EOS 1100D (Rebel T3),Canon EOS 550D (Rebel T2i),Canon EOS 60D,Canon EOS 7D,Canon EOS 500D (Rebel T1i),Canon EOS 50D,Canon EOS 450D (Rebel XSi),Canon EOS 1000D (Rebel XS)

With the Canon Mount Adapter EF-EOS R the lens can also be used on Canon RF cameras.

With the Canon Mount Adapter EF-EOS M the lens can also be used on Canon EF-M cameras.

Irix 15mm F2.4 compared

Key specs side by side with the most similar Canon EF lenses.

LensIrix 15mm F2.4Zeiss Distagon T* 2,8/15Zeiss Milvus 15mm F2.8Samyang Premium MF 14mm F2.4
Focal length15 mm15 mm15 mm14 mm
Max. aperturef/2.4f/2.8f/2.8f/2.4
Weight568 g730 g947 g791 g
Filter diameter95 mm95 mm95 mm–
Min. focus distance28 cm25 cm25 cm28 cm
Length100 mm135 mm100 mm109.4 mm
Autofocusnononono
Image stabilizationnononono
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Irix 15mm F2.4: FAQ

Does the Irix 15mm F2.4 have autofocus?

No, the Irix 15mm F2.4 has no autofocus; you focus it manually.

Does the Irix 15mm F2.4 have image stabilization?

No, the Irix 15mm F2.4 has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Irix 15mm F2.4 weigh?

The Irix 15mm F2.4 weighs 568 g. It is 100 mm long with a diameter of 114 mm.

What filter size does the Irix 15mm F2.4 use?

The Irix 15mm F2.4 takes 95 mm screw-in filters.

How close can the Irix 15mm F2.4 focus?

The minimum focus distance of the Irix 15mm F2.4 is 28 cm, measured from the sensor plane.

Is the Irix 15mm F2.4 a full-frame lens?

Yes, the Irix 15mm F2.4 covers full frame. On APS-C cameras its field of view equals 24 mm in full-frame terms.

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