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IRIX 45mm f/1.4 Prime Lens for Canon

The IRIX IL-45-CF is a 45mm f/1.4 lens designed for Canon EF mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

IRIX 45mm f/1.4 Prime Lens for Canon

IRIX 45mm f/1.4 Prime Lens for Canon

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Lens Overview — IRIX IL-45-CF

The IRIX 45mm f/1.4 is a manual focus prime lens built for Canon EF-mount DSLR cameras. With a maximum aperture of f/1.4 and a 45mm focal length sitting squarely in the standard range, this lens is designed to handle a wide variety of shooting situations where control over depth of field and low-light capability are priorities. It covers a full-frame image circle, making it compatible with both full-frame and APS-C Canon EF-mount bodies.

The lens accepts 77mm front filters, a size common across many professional-grade optics. Weighing in at 925g, this is a substantial piece of glass that reflects the build quality expected of a dedicated manual focus lens. The IRIX 45mm is a prime lens with no zoom capability, encouraging deliberate composition and a thoughtful shooting approach.

Image stabilization is not present, which is worth factoring in for handheld shooting in lower light — though the f/1.4 aperture does provide meaningful flexibility in those conditions. Focus is entirely manual, with no autofocus motor, making this lens well-suited to photographers who prefer hands-on control over their focus point and depth of field rendering.

Key Features — IRIX IL-45-CF

45mm f/1.4 Aperture: A wide maximum aperture of f/1.4 allows for significant background separation and effective shooting in low-light conditions.

Canon EF Mount: Designed specifically for Canon EF-mount DSLR cameras, compatible with both full-frame and APS-C bodies.

Full-Frame Coverage: Projects an image circle large enough to cover full-frame sensors without vignetting.

Manual Focus Only: No autofocus motor means focus is fully controlled by the photographer, suited to deliberate and precise shooting workflows.

Standard 45mm Focal Length: Sits in the standard range, offering a natural field of view close to human perception for versatile everyday use.

77mm Filter Thread: Accepts widely available 77mm filters, making it easy to share filter accessories with other professional-grade lenses.

Lens Specifications — IRIX IL-45-CF

IRIX IL-45-CF full specifications
SpecDetail
Use CasesTravel, Studio
Lens TypePrime
FormatFull Frame
Zoom/PrimePrime
Focal Length45mm
Maximum Aperturef/1.4
Camera SystemDSLR
Lens MountCanon EF
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread77mm

Description — IRIX IL-45-CF

The IRIX 45mm f/1.4 Prime Lens for Canon EF mount is a full-frame compatible, manual focus prime built for Canon DSLR systems. Its f/1.4 maximum aperture places it firmly in the category of fast standard primes, offering meaningful control over depth of field and the ability to work in a broad range of lighting conditions. The 45mm focal length sits in the standard range, delivering a natural perspective that suits portraiture, street photography, documentary work, and general-purpose shooting.

The lens weighs 925g — substantial, but in line with what a fast, full-frame prime typically demands. A 77mm filter thread at the front provides compatibility with a wide range of professional filter systems. There is no image stabilization, so steady technique or faster shutter speeds are necessary for sharp handheld results.

The lens is offered exclusively in the Canon EF mount, covering full-frame sensors and working equally well on APS-C Canon EF bodies. For photographers who prefer the precision and intentionality of manual focus shooting, the IRIX 45mm f/1.4 offers a compelling combination of focal length, aperture, and lens format coverage.

Pros — IRIX IL-45-CF

  • ✓Wide f/1.4 maximum aperture offers strong low-light and depth-of-field control
  • ✓Full-frame coverage suits both full-frame and APS-C Canon EF-mount bodies
  • ✓45mm focal length provides a versatile standard field of view

Cons — IRIX IL-45-CF

  • ✗Manual focus only — no autofocus support for Canon EF mount
  • ✗No image stabilization, which can be a limitation for handheld shooting
  • ✗At 925g, the lens is relatively heavy for a 45mm prime

Videos — IRIX IL-45-CF

Irix 45mm f/1.4 'Dragonfly' lens review with samples — Christopher Frost

Resources & Downloads — IRIX IL-45-CF

Manuals & Guides

Frequently Asked Questions — IRIX IL-45-CF

Does this lens support autofocus on Canon EF cameras?+
No. The IRIX 45mm f/1.4 is a manual focus lens only, with no autofocus capability. Photographers will need to focus manually on all compatible Canon EF-mount bodies.
What camera mount does this lens use?+
This lens is built for the Canon EF mount and is designed for DSLR cameras. It covers a full-frame image circle, so it is compatible with both full-frame and APS-C Canon EF-mount bodies.
What filter size does the IRIX 45mm f/1.4 use?+
The lens has a 77mm front filter thread. This is a widely used size among professional lenses, so compatible filters and accessories are broadly available.
Does this lens have image stabilization?+
No, the IRIX 45mm f/1.4 does not include image stabilization. Photographers shooting handheld in low light will need to rely on the f/1.4 aperture and their own technique to manage camera shake.
How heavy is the IRIX 45mm f/1.4?+
The lens weighs 925g. This is on the heavier side for a standard prime, so it is worth considering when choosing a camera bag or planning extended handheld shooting sessions.
Is this lens suitable for full-frame sensors?+
Yes. The IRIX 45mm f/1.4 is designed for full-frame coverage, making it fully compatible with full-frame Canon EF-mount DSLRs as well as APS-C Canon EF-mount bodies.

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