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IRIX 45mm f/1.4 Lens for Canon EF

BH #IR4514C • MFR #IL-45DF-EF
IRIX 45mm f/1.4 Lens for Canon EF
Key Features
  • EF-Mount Lens/Full-Frame Format
  • Aperture Range: f/1.4 to f/22
  • One Aspherical Element, Four HR Elements
  • One Extra-Low Dispersion Element
Combining a versatile normal focal length with fast design, the Canon EF-mount Irix 45mm f/1.4 is a useful prime lens characterized by its manual focus operation and weather-sealed design. The bright f/1.4 maximum aperture excels in low-light conditions and also offers increased control over depth of field for working with selective focus techniques. The optical design incorporates a series of specialized elements to reduce a variety of aberrations in order to produce sharp and color-accurate imagery.
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IRIX 45mm f/1.4 Overview

Combining a versatile normal focal length with fast design, the Canon EF-mount Irix 45mm f/1.4 is a useful prime lens characterized by its manual focus operation and weather-sealed design. The bright f/1.4 maximum aperture excels in low-light conditions and also offers increased control over depth of field for working with selective focus techniques. The optical design incorporates a series of specialized elements to reduce a variety of aberrations in order to produce sharp and color-accurate imagery.

Complementing the optical assets is a robust physical construction, dubbed Dragonfly, which incorporates extensive weather sealing to guard against dust and moisture. This manual focus lens also features printed focus distance and depth of field scales to benefit fast and accurate focusing, and a rounded nine-blade diaphragm contributes to a smooth bokeh quality.

Normal-length prime is compatible with full-frame Canon EF-mount cameras, however can also be used with APS-C models where it provides a 72mm equivalent focal length.
Impressive f/1.4 maximum aperture suits working in a variety of lighting conditions and also affords great control over depth of field for isolating subject matter using selective focus techniques.
One aspherical element and four high refractive index (HR) elements help to minimize spherical aberrations and distortion in order to achieve high sharpness and accurate rendering.
One extra-low dispersion element suppresses color fringing and chromatic aberrations for a high degree of color fidelity and clarity throughout the aperture range.
Manual focus design is benefitted by a positive focus lock mechanism to secure your focus position at any point to limit unwanted shifting of focus. Also, an internal focusing design maintains the overall length of the lens during operation.
Depth of field scale benefits using hyperfocal and pre-focus techniques and lens engravings are filled with UV-reactive paint to make them readable in low-light conditions.
Dragonfly finish incorporates weather sealing to guard against dust and moisture.
Rounded nine-blade diaphragm contributes to a pleasing bokeh quality.
Integrated CPU enables camera-based aperture control along with focus confirmation.
Includes complimentary additional rear lens cap.

IRIX 45mm f/1.4 Specs

Focal Length45mm
Maximum Aperturef/1.4
Minimum Aperturef/22
Lens MountCanon EF
Lens Format CoverageFull-Frame
Angle of View51.4°
Minimum Focus Distance1.31' / 40 cm
Optical Design11 Elements in 9 Groups
Diaphragm Blades9, Rounded
Focus TypeManual Focus
Image StabilizationNo
Filter Size77 mm (Front)
Dimensions (ø x L)3.43 x 4.13" / 87 x 105 mm
Weight2.04 lb / 925 g
Packaging Info
Package Weight3.365 lb
Box Dimensions (LxWxH)8.1 x 6.4 x 5"

IRIX 45mm f/1.4 Reviews

My new favorite walk around lens

By John
Rated 5 out of 5
Date: 2023-01-18

I love this lens. 45mm is perfect because it is between the 35 and 50 primes that I tend to use most of the time, mostly via manual focus with my Pentax K1. Extremely sharp and contrast is very natural and slightly less contrasty than other recent Pentax lenses yet with great color. I recently shot a parade with this and the top of the line $2k Pentax 85mm f1.4 SDM AW. Almost all the keepers where with the 45mm. Highly recommended. I've also owned the 15mm (broke) and currently own the Irix 21mm which is a perfect focal length for indoor shots (same as iPhone main lens field of view). I also highly recommend the Irix 21 and 15. One downside: the infinity focus stop on Irix lenses is not calibrated so you can focus past infinity. I use Live View to get it right.

Lovely lens , fantastic design, great optic color

By jordan
Rated 4 out of 5
Date: 2020-11-27

Fantastic lens quality of material optic and design . it can be Portrait or Landscape even . I'm very happy color sharpness overall the best . the only thing it was manualy focus but if you don't mind it's the best lens for expect as the same focal lenght and aperture 1.4 the barrel lens to manual focus a little friction I wish it can smoother little more say yes to refer to my friends

Great prime lens

By Richard
Rated 5 out of 5
Date: 2022-01-12

Very sharp and focus lens. I use it on my Canon T4i and my newer 80D. It works nicely with both. Have a new puppy so need a fast lens which works in low light.

What a surprise!

By William
Rated 5 out of 5
Date: 2021-08-23

I like taking pictures in museums and in many cases a flash simply won't work and most low mm lenses are wide to ultra wide angle so when I saw the IRIX 45mm F/1.4 lens for my canon I decided to give it a try because I have had a swiss watch years ago that never failed to give perfect time. I got the package from B&H and when I opened the box discovered the beast of a lens. I put it on my camera and took some test shots at different f/stops and was thrilled. So much so that just last Saturday I shot a small outdoor wedding as a favor to my daughter. I put the IRIX on my oldest canon (EOS T1i) and took another camera and lens. The IRIX was a pleasure to use and the pictures were as perfect as they could get making it almost impossible to tell if the pictures were taken by my auto focus or the IRIX manual focus. I am so happy I got this great lens from B&H Photo.

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Does this lens works with Black Magic Cinema 6k ...

Does this lens works with Black Magic Cinema 6k Pro? Does the F Stop works through the camera?
Asked by: Raphael
Yes, the IRIX 45mm f/1.4 Lens for Canon EF is compatible with the Blackmagic Design Pocket Cinema Camera 6k Pro and you will control the aperture through the camera.
Answered by: Paige K
Date published: 2022-09-06

Hello yes..I can't find much info on the IRIX 45 ...

Hello yes..I can't find much info on the IRIX 45 MM other then youtube and there is not a long of info. I've been using Sigma art 50mm and 85mm for a while. I'm in the market for a new lens. I do a lot of vblog and my camera body is Nikon d7200. Please can you provide me any info on IRIX 45mm and how will it work with my Nikon d7200. I look forward to hearing from you?
Asked by: Rodq
Irix makes very good quality lenses and are manufactured very well. This is of course a manual focus lens, so no autofocus but will marry up with your camera quite well if you are looking for a focal range of about 65mm.
Answered by: Rob
Date published: 2021-04-27
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