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IRIX 45mm T1.5 Cine Lens (Canon RF, Feet, Black)

BH #IRILC45RFI • MFR #IL-C45-RF-I
IRIX 45mm T1.5 Cine Lens (Canon RF, Feet, Black)
Key Features
  • Full-Frame | T1.5 to T22 Aperture
  • 43.3mm Image Circle
  • Rounded, 9-Blade Aperture
  • Magnetic Filter & Shade Mounting System
Designed for cine-style image capture and covering up to full-frame size sensors, the black Canon RF-mount 45mm T1.5 Cine Lens from IRIX incorporates multiple internal and external design features. External features include a 95mm front diameter, 0.8 MOD gears, luminous focus marks in feet, and a detachable 1/4"-20 support foot. Internally, nine blades produce smooth, rounded bokeh, and five seals protect against inclement weather and dust.
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IRIX 45mm T1.5 Cine (ft) Overview

  • 1Description
  • 245mm Focal Length
  • 3Full-Frame Coverage
  • 4Rounded Bokeh
  • 5Fast T1.5 Aperture
  • 6Magnetic Mount System (MMS)
  • 7Weather Sealing
  • 80.8 MOD Gears
  • 995mm Front Diameter
  • 10Smooth Focusing
  • 11Focus Marks in Feet
By B&H Photo's

Designed for cine-style image capture and covering up to full-frame size sensors, the black Canon RF-mount 45mm T1.5 Cine Lens from IRIX incorporates multiple internal and external design features. External features include a 95mm front diameter, 0.8 MOD gears, luminous focus marks in feet, and a detachable 1/4"-20 support foot. Internally, nine blades produce smooth, rounded bokeh, and five seals protect against inclement weather and dust.

To help eliminate aberrations and distortion, the IRIX 45mm T1.5 Cine Lens is constructed with 11 optical elements in nine groups, including four HR (high refractive index) and three ED (extra-low dispersion) elements. This lens has 180° of focus and 75° of iris rotation and incorporates an 86mm front filter thread.

45mm Focal Length
A 45mm focal length with the Canon RF lens mount is ideal for capturing crisp details and vibrant colors.
Full-Frame Coverage
The 43.3mm image circle of this lens covers up to full-frame format sensors.
Rounded Bokeh
Produces the "IRIX look" with shallow depth of field and a 9-blade iris for smooth, rounded bokeh.
Fast T1.5 Aperture
  • Fast T1.5 maximum aperture enables you to capture images in low light levels without having to crank up your ISO setting.
  • Matching maximum aperture, color, and contrast with the 21 and 45mm primes.
Magnetic Mount System (MMS)
  • Like the rest of the Cine series (except the 11mm), the 45mm prime features the Magnetic Mount System (MMS).
  • Provides compatibility with the separately available, magnetically stacking IRIX Edge MMS filters and the MMS Lens Hood.
Weather Sealing
Sealed against rain, snow, and dust like the rest of the IRIX cine series and able to withstand a wide range of temperatures.
0.8 MOD Gears
Cine-style 0.8 MOD geared focus and aperture rings.
95mm Front Diameter
Industry-standard 95mm front diameter is compatible with most matte boxes.
Smooth Focusing
The adaptive focus ring adjusts smoothly between manual and motor control.
Focus Marks in Feet
Luminous markings in feet are engraved for durability.

IRIX 45mm T1.5 Cine (ft) Specs

Key Specs
Focal Length
45mm
Maximum Aperture
T1.5
Lens Mount
Canon RF
Lens Format Coverage
Full Frame
Filter Thread
86 mm
Image Stabilization
No
Electronic Communication
No
Maximum Aperture
T1.5
Minimum Aperture
T22
Lens Mount
Canon RF
Interchangeable Mount
No
Lens Format Coverage
Full Frame
Image Circle
43.3 mm
Angle of View
Full Frame
Horizontal: 43.6°
Super 35
Horizontal: 30.9°
APS-C (1.5x)
Horizontal: 29.4°
APS-C (1.6x)
Horizontal: 27.7°
MFT
Horizontal: 21.8°
Focus Scales
Imperial
Optical Design
11 Elements in 9 Groups
Filter Thread
86 mm
Minimum Focus Distance
From Camera Sensor: 1.15' / 0.35 m
Diaphragm Blades
9
Image Stabilization
No
Lens Mounting
1x 1/4"-20 (via Included Support Foot)
Gear Standard
Focus: 0.8 MOD
Iris: 0.8 MOD
Gear Rotation
Focus 180°
Iris 75°
Electronic Communication
No
Environmental Protection
Water-Resistant (Unrated)
Diameter
Front: 3.7" / 95 mm
Length
5.4" / 136 mm
Weight
2.67 lb / 1.21 kg
Packaging Info
Package Weight
3.845 lb
Box Dimensions (LxWxH)
9 x 5.5 x 5.3"

IRIX 45mm T1.5 Cine (ft) Reviews

See any errors on this page? Let us know

Would this be a good lens for astrophotography? ...

Would this be a good lens for astrophotography? And what about Timelapse work?
Asked by: Fred
The IRIX 45mm T1.5 Cine Lens (Canon RF, Feet, Black) can be used for astrophotography and time-lapse work. But most prefer a lens that is wider.
Answered by: Rob K
Date published: 2024-05-16

How's the focus breathing on this lens?

How's the focus breathing on this lens?
Asked by: Ben
There is very little focus breathing on this lens.
Answered by: jabarih
Date published: 2021-10-06

I want to mount this lens on my PL-mount ZCAM ...

I want to mount this lens on my PL-mount ZCAM camera and on my EF-mount Blackmagic 6K Pro. Which adapter ring is best?
Asked by: Richard
There are two options that would allow you to mount a PL lens like the IRIX 45mm T1.5 Cine Lens to your Black Magic Pocket 6K Pro. The best option is from Wooden ( BH #WO274700) which would convert your P6K to a PL mount camera. Also there are PL to EF adapters ( BH #FOPCEAAP ) that could also be an option. Please note that the IRIX lens has not been tested with the FotodioX PL to EF adapter.
Answered by: Chris H
Date published: 2023-02-01

Can I use an EF mount IRIX cine lens with a Sigma ...

Can I use an EF mount IRIX cine lens with a Sigma EF to L mount or like adapter on the new Blackmagic FF cinema camera 6K?
Asked by: David
Yes, using the Sigma MC-21 adapter, the IRIX 45mm T1.5 Cine Lens can work perfectly on the Blackmagic Design Cinema Camera 6K (Leica L).
Answered by: Jonathan S
Date published: 2023-12-03

Is this considered a FF lens? So on a S35 chip ...

Is this considered a FF lens? So on a S35 chip the focal length would be 1.5x magnification?
Asked by: Jesse
All lenses when put on an APSC/S35 will require the 1.5x magnification math if you're wanting to compare field of view to FF, regardless of whether they have an image circle big enough for FF. So to answer your question: this lens will look the same on an S35/APCS size sensor as any "S35/APSC only" lens with the same focal length of 45mm.
Answered by: Ethan
Date published: 2024-04-03

Has anyone used this on a eos r

Has anyone used this on a eos r
Asked by: Josh
You will need the Canon Mount Adapter EF-EOS R on the EOS R to use this lens with it. https://bhpho.to/2YLH4tp
Answered by: Joseph
Date published: 2020-06-19

This will be 90mm focal length on MFT body? Is ...

This will be 90mm focal length on MFT body? Is that correct?
Asked by: Hua Foong
It will have the same field of view on a MFT as a 90mm would have on a FF, yes.
Answered by: Ethan
Date published: 2024-04-04

does this lens work with the Canon 5d mk iv ...

does this lens work with the Canon 5d mk iv autofocus?
Asked by: William
This is a manual focus cinema lens. it does not auto focus.
Answered by: Joseph
Date published: 2021-02-08
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