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

BH #IRC45EFI • MFR #IL-C45-EF-I
IRIX 45mm T1.5 Cine Lens (Canon EF, Feet)
Key Features
  • Covers Full-Frame Sensor Size
  • Canon EF Mount
  • Aperture Range: T1.5 to T22
  • Luminous Focus Marks in Feet
Designed for cine-style image capture and covering up to full-frame size sensors, the Canon EF-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
  • 6Weather Sealing
  • 70.8 MOD Gears
  • 895mm Front Diameter
  • 9Focus Marks in Feet
  • 10Smooth Focusing
By B&H Photo's

Designed for cine-style image capture and covering up to full-frame size sensors, the Canon EF-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 a Canon EF 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.
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.
Focus Marks in Feet
Luminous markings in feet are engraved for durability.
Smooth Focusing
Focus ring adjusts smoothly between manual and motor control.

IRIX 45mm T1.5 Cine (ft) Specs

Focal Length
45mm
Lens Mount
Canon EF
Lens Format Coverage
Full Frame
Image Circle
43.3 mm
Maximum Aperture
T1.5
Minimum Aperture
T22
Minimum Focus Distance
From Camera Sensor: 1.15' / 0.35 m
Optical Design
11 Elements in 9 Groups
Diaphragm Blades
9
Gear MOD & Pitch
Focus: 0.8 MOD / 32 Pitch
Iris: 0.8 MOD / 32 Pitch
Front Diameter
95 mm
Filter Thread
86 mm
Focus Scales
Imperial
Focus Rotation
180°
Iris Rotation
75°
Electronic Communication
No
Image Stabilization
No
Lens Support
Lens Support Foot with 1/4"-20 Mounting Thread
Weight
2.43 lb / 1.1 kg
Packaging Info
Package Weight
3.67 lb
Box Dimensions (LxWxH)
9.3 x 5.5 x 5.2"

IRIX 45mm T1.5 Cine (ft) Reviews

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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

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

I have a Lumix S5, could I use this lens with the ...

I have a Lumix S5, could I use this lens with the ef-mount version on my L-mount with the EF-L Fusion adapter? Could it work well?
Asked by: Pietro
YEs this lens will work on the Panasonic / Leica L series line of FF camera with an L mount to EF mount adapter
Answered by: Sean
Date published: 2020-10-28

Would it be better if I use the ef-mount version ...

Would it be better if I use the ef-mount version on a mft sensor camera (gh5) with a speed boost or would it better to use mft version of this lens?
Asked by: Navil
it is always better to use the native version of the lens.
Answered by: Sean
Date published: 2020-12-14

can i use this on my black magic pocket 6k?

can i use this on my black magic pocket 6k?
Asked by: Brien
With EF mounts. Yes.
Answered by: Michael
Date published: 2021-11-25

Can I use this lens for still photography as ...

Can I use this lens for still photography as well, switching back and forth from video applications?
Asked by: William
Hello, U can but a manual focus this lens is sharp and softness to it a character which you probably desire more for video rather than still. Thanks.
Answered by: chris
Date published: 2021-02-15
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