45mm Photo lens (EN) - Irix lenses were designed with both the effort and experience, of not only engineers, but also photographers. Swiss precision and Korean innovation create Irix lenses.

Irix 45mm f/1.4

  • Fast f/1.4 aperture
  • AE communication with camera
  • Solid Construction
  • Beautiful bokeh
  • Low Distortion: 0,5% 

Beautiful Bokeh | Fast Aperture | Classic Focal Length

Canon EF,
Nikon F,
and Pentax K

Multiple Mounts

35mm Full Frame
Works with both FF
and APS-C Cameras

Full-Frame Lens

Lens is equipped with 9 rounded aperture blades to offer extraordinary image quality on the entire frame.

9 Aperture Blades

Only 0.5%

Ultra Low Distortion

Fully Weather-sealed,
ready for any conditions

Weather Sealed

This features “locks”
the lens’ focus ring
at any focus distance,
eliminating accidental focus pulls

Focus Lock

PASM mode,
and data is recorded in EXIF.

Communication with

You can use screw-on (77mm) and square filters with an IFH-100 filter holder

Filters compatible

Comes with the lens, lens caps and hard case.
ikona otwarte pudełko

Comes Fully-Equipped

Classic Focal Length
In a new finish

It doesn’t matter if you are a professional photographer looking for a lens for your next job, or an amateur looking to expand your lens set.

The Irix 45mm is a fast f/1.4 lens with a classic 50 degree field of view, created for your full frame (35mm) camera. It’s available in Nikon F, Canon EF, and Pentax K mounts.

The combination of fast aperture and a classic focal length makes this lens extremely practical. You can use it both for portrait photos (on which you can blur the background effectively), or during a trip where you can take breathtaking landscapes creating extremely sharp images.

Optics that guarantee sharp images

A Focal length that inspires creativity

Are you looking for a new classic focal length lens? Defy all standards!

The 45mm focal length will let you capture the world more creatively than a standard 35mm or 50mm lens. At the same time, the fast f/1.4 aperture will allow you to effectively separate the subject from the background. The Irix 45mm f/1.4 lens was designed to give a detailed image from just f/1.4, being even sharper at higher f-stop values. Thanks to the 9 rounded aperture blades, the areas outside the depth of field remain smooth, with a beautiful bokeh.

A Build You Can Trust

High-quality lenses must be ready to work in all conditions. Therefore, the design of the Irix 45mm f/1.4 has no compromises – our premium class lens uses only the best materials in its construction. The guarantee of operation in all conditions is provided by a sealing system located in key areas of the lens. Equally important, the lens does not change its dimensions during focus pulling, eliminating the risk of dirt particles getting swept into the internal structure. These properties not only allow you to work in demanding conditions, but also guarantee the cleanliness of the camera’s mirror chamber sensor.

Ready for Any Conditions


It doesn’t matter if you’re traversing the hot sands of the Sahara or the frigid expanse of Antarctica – Irix lenses never back down from any challenge.

DRAGONFLY features:

  • Reinforced internal construction based on metal elements
  • Scratch-resistant finish
  • Anti-slip focus ring with special finish for easy focusing
  • Engraved markings filled with UV reactive paint
  • Sealings to protect against dust and water
  • Rigid carrying case included as standard

The Dragonfly finish is a combination of reinforced metal and composite elements. This combination has resulted in an extremely durable construction, which thanks to numerous seals, remains resistant to adverse weather conditions.

At Irix, we believe that a lens is not just a tool in the hands of a photographer. The overall impression of the photo creation process is important to us. Lenses have to be fun! That is why the ergonomics and design of our products are so important to us.

Intelligent Lens Design

The Irix 45mm f/1.4 lens has a module that allows you to control the lens iris directly from the camera, thanks to which popular semi-automatic modes (PASM) and data recording in EXIF format are available.

The use of electronics also enables the lens to be equipped with a focus confirmation system – the camera will announce the correct focus setting (either in the form of an icon in the viewfinder, or as a sound) every time you set the focus correctly – it’s easy and convenient!

Additional Features

Focus Lock allows you to lock the focus ring in a specific position. This is especially useful when we want to maintain a specific distance to the subject (zone-focusing), or when we want to maintain perfect focus on infinity during landscape photography.

Focus Ring – We know how much you liked the focus ring on the Irix 150mm f/2.8 Macro 1:1, that’s why we decided to use a similar one in our 45mm f/1.4 lens. After many tests, we have developed a ring material characterized by its high mechanical strength and resistance to adverse conditions. Special texturing allows for reliable and precise focusing, and dedicated embossed dimples allow you to feel the ring’s position even without looking for it- making focusing  even easier.

Available mounts

The Irix 45mm f/1.4 is available in Canon EF, Nikon F, and Pentax K mounts.

Compatible with filters

The Irix 45mm f/1.4 lens allows the use of classic screw-in filters (77mm) and square filters, thanks to the Irix Edge IFH-100 mount.

The use of filters in landscape photography allows you to awaken your creativity and achieve amazing effects, which makes them extremely practical.

Check out Irix Store now >

Image format

43.3mm (35mm Full Frame)

Focal lenght




Field of view

51.4⁰ (diagonally)

Focusing Type

Manual with lock function

Focus ring throw


Minimal focusing distance


Focusing range

0,4 m (1,37ft) – ∞

Aperture range

f/1.4 – f/22

Aperture control

Via camera

Aperture shape

9 rounded blades

Lens construction

11 elements in 9 grups (1 ASP element)

Front filter thread


Avalible mounts

Canon EF, Nikon F, Pentax K



Dimensions (width x length)

* (without accessories)



Canon EF

105 x 87 mm

Nikon F

103 x 87 mm

Pentax K

104 x 87 mm


Canon EF  

925 g

Nikon F

905 g

Pentax K

910 g

Additional features

Focus lock


In 4 key areas





Included accesories






Front lens cap

1 piece

Rear lens cap

2 piece

Lens hood

1 piece


1 piece


1 piece

Warranty card

1 piece







Opinions of our customers
Reviews & More
Digital Photographer Magazine

"This premium-build prime produces sharp and vivid images. It represents good value compared to competitors"


COLORFOTO - Das Profi-Magazin für digitale Fotografie - PC Magazin

"Bei Blende 2,8 und 5,6 erreicht das Irix dagegen ein gutes bis sehr gutes Niveau, der Randabfall bleibt zudem gering bis sehr gering – bis in die Bildecken."


Dustin Abbott Blog

- "Fantastically well executed build"
- "Good weather sealing"
- "Gorgeous manual focus action high on precision"
- "The marked notch on the focus ring is a genuinely useful (and innovative) feature"
- "Gorgeous bokeh rendering"
- "Beautiful color"
- "Good chromatic aberration control"
- "Good flare resistance"
- "Strong sharpness and contrast at smaller apertures"


Dustin Abbott

"Love this shot, it looks fantastic!"


Pentax forums

- "Robust, trustworthy build"
- "Excellent sharpness at most apertures except wide open, impressive uniformity"
- "Smooth and pleasing bokeh"
- "Distortion almost absent"
- "Well dampened focus ring, includes focus lock"
- "Low vignetting on APS-C"
- "Well-controlled flare and ghosting"
- "Weather resistant"
- "Reasonable price"


Xavi's Landscapes Photography

"It is a 99% recommendable lens if you can work with manual focus. For price and quality. And 100% recommendable for those who work with analog systems"


Photography News 2020 Awards Winner

"Thanks to both its consistency and durability, the Best Standard Lens award goes to the Irix Lens 45mm f/1.4 Dragonfly. This top-end manual focus lens is built to withstand even the most arduous conditions, producing remarkable, high-quality results"


Advanced lens of the year 2020!

“Irix 45mm f/1.4 is the only manual lens in this year’s list which, thanks to its high-end quality and outstanding optical results, can complete with advanced native primes”


Christopher Frost

"The 7 sharpest 50mm lenses...ever made? The test results are in... - Check the material prepared by Christopher Frost with the Irix 45mm f/1.4"


Blog Foto24

"El Irix 45mm f/1.4 es la lente que te ayuda a ser mejor fotógrafo y a disfrutar más de la fotografía"


Hispan's photoblog

"Ha penge képminőségre vágysz és nem szempont az AF, akkor az Irix kiváló megoldás lehet számodra"



Ergonomics: 9/10
Price / Quality: 8/10
Optics: 8.5/10
Building: 9.5/10


Christopher Frost

"There's just something about the way the bokeh looks that I really love, the sample pictures always looked really lovely to me"


Digital Photographer

"This premium-build prime produces sharp and vivid images. It represents good value compared to competitors"



"Bright, durable & manually focused. Beautiful for portraits"


Digital Camera World

"Levels of sharpness are pretty spectacular, right across the entire image frame and into the corners. (...) Bokeh is simply beautiful, with a buttery smoothness to defocused areas when shooting at f/1.4"



"The Irix 45mm f/1.4 gives a superb performance, slick handling and a unique focal length for this lovely standard lens"