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IRIX 11mm T4.3 Cine Lens (Canon EF, Feet)

BH #IRC11EFI • MFR #IL-C11-EF-I
IRIX 11mm T4.3 Cine Lens (Canon EF, Feet)
Key Features
  • Covers Full-Frame Sensor Size
  • 43.3mm Image Circle, Canon EF Mount
  • Aperture Range: T4.3 to T22
  • Luminous Focus Marks in Feet
Designed for up to 8K cine-style image capture and covering up to full-frame size sensors, the Canon EF-mount 11mm T4.3 Cine Lens from IRIX incorporates multiple internal and external design features. This 11mm lens will produce a classic wide-angle look or up to a 123° viewing angle in the 2.39:1 widescreen format, depending on your camera's sensor. External features include a 95mm front diameter, 0.8 MOD gears, luminous focus marks in feet, and a detachable 1/4"-20 support foot.
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$995.00
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IRIX 11mm T4.3 Cine (ft) Overview

Designed for up to 8K cine-style image capture and covering up to full-frame size sensors, the Canon EF-mount 11mm T4.3 Cine Lens from IRIX incorporates multiple internal and external design features. This 11mm lens will produce a classic wide-angle look or up to a 123° viewing angle in the 2.39:1 widescreen format, depending on your camera's sensor. 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 four seals protect against inclement weather and dust. To help eliminate aberrations and distortion, the IRIX 11mm T4.3 Cine Lens is constructed with 16 optical elements in 10 groups including four HR (high refractive index) and two ED (extra-low dispersion) elements. A Multi-Start Thread focusing mechanism delivers quiet, precise focusing even in wet or humid conditions or in extreme temperatures. This lens has 180° of focus and 75° of iris rotation, an 86mm front filter thread, and it includes a lens hood in addition to front and rear caps.

Features

Canon EF lens mount
43.3mm image circle covers up to full-frame format sensors
9-blade iris for smooth, rounded bokeh
Cine-style 0.8 MOD geared focus and aperture rings
HR and ED elements help reduce or eliminate spherical aberration
Industry-standard 95mm front diameter
Luminous markings in feet

IRIX 11mm T4.3 Cine (ft) Specs

Focal Length11mm
Lens MountCanon EF
FormatFull Frame
Image Circle43.3 mm
Maximum ApertureT4.3
Minimum ApertureT22
Horizontal Angle of ViewSuper35: 99.3°
APS-C (1.5x): 93.8°
APS-C (1.6x): 90.6°
MFT: 78.6°
Minimum Focus DistanceFrom : 10.63" / 0.27 m
Optical Design16 Elements in 10 Groups
Diaphragm Blades9
Gear MOD & PitchFocus: 0.8 MOD / 32 Pitch
Iris: 0.8 MOD / 32 Pitch
Front Diameter95 mm
Focus ScalesImperial
Focus Rotation180°
Iris Rotation75°
Electronic CommunicationNo
Image StabilizationNo
Lens SupportLens Support Foot with 1/4"-20 Mounting Thread
Length4.13" / 105 mm
Packaging Info
Package Weight3.52 lb
Box Dimensions (LxWxH)7.4 x 5.3 x 5.3"

IRIX 11mm T4.3 Cine (ft) Reviews

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In a BMPCC 6K Pro camera, this 11mm equals to ...

In a BMPCC 6K Pro camera, this 11mm equals to what mm?
Asked by: Jaime J
The IRIX 11mm Lens on the BMPCC 6K Pro will become roughly a 16.5mm lens.
Answered by: Nicholas
Date published: 2021-07-19

Would I be able to put a clip on mattbox on this ...

Would I be able to put a clip on mattbox on this lens to use a polarizer or would that vignette?
Asked by: Josh
The diameter of the front of the IRIX 11mm T4.3 Cine Lens (Canon EF, Feet) (B&H# IRC11EFI) -- not to be confused with the filter size -- is 95mm which is a very common size to which to attach a matte box. Yes, it would be possible to do so. Given the ultra wide nature of the field of view, however, there will of course be at least some amount of vignetting regardless of the size of the filter, but that is unavoidable.
Answered by: Yoni
Date published: 2022-01-10
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