Designed for up to 8K cine-style image capture and covering up to full-frame size sensors, the white Canon RF-mount IRIX 11mm T4.3 Cine Lens Canon RF Whitefrom 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 front and rear caps.

Full-Frame | T4.3 to T22 Aperture    43.3mm Image Circle    Rounded, 9-Blade Aperture    Adaptive Focus Ring for Manual/Motor Use    95mm Front Diameter    180° Focus, 75° Iris Rotation    Magnetic Filter & Shade Mounting System    Luminous Focus Marks in Feet    Sealed for Weather Resistance

The IRIX Cine 11mm is a wide 43.3mm full-frame lens that uses 16 optical elements, including four high refractive index (HRI) and two extra low-dispersion glass (ED) elements, to create crisp cinematic shots in resolutions up to 8K while keeping the focus breathing at a minimum. This lens features a relatively fast T4.3 maximum aperture and can be stopped down to T22.

Related Questions and Answers

Q: 1. Is this lens weather sealed?

A: There are four seals protecting against inclement weather and dust.

Q: 2. Would I be able to put a clip on mattbox on this lens to use a polarizer or would that vignette?

A: 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.

Q: 3. What is the difference between the FireFly and Blackstone iterations of this lens? What do you get with the extra money for the Blackstone? Thank you!

A: The Blackstone has a metal body and engraved numbers. The Blackstone is heavier as well. Optically they are the same.

Q: 4. I'm impressed with this lens but how do I get more contrast out of it? and more color? It's rather plain-looking. Filters?

A: The IRIX 150mm T3.0 Macro 1:1 Cine Lens (Canon EF, Feet) is neutral in color and has good contrast generally speaking. You can add color filters to the lens or in post. You can shoot more contrasty lighting or add contrast in post.

Q: 5. What is the weight of this lens?

A: 2.43 lb (1.1kg)

Q: 6. Is it suitable for 6K Resolution Sensors?

A: The image circle covers full frame sensors, so as long as your cameras sensor supports 6K, this lens will also support 6K. Lenses do not have anything to do with resolution support.

Q: 7. I'm assuming this is a strictly manual focusing lens - correct?

A: That is correct. This is a Manual Lens only.

Q: 8. Since there is no Sony FE version, how will this work with a Canon EF to Sony E Metabones adapter?

A: Works well with the Metabones Canon EF/EF-S Lens to Sony E Mount T Smart Adapter (Fifth Generation).

Q: 9. Is this wide angle cine lens a Rectilinear lens or a Fish Eye lens? Mount Nikon Z, Focus Scale Metric, 11mm

A: The IRIX 11mm T4.3 Cine Lens (Z-Mount, Meters) is an Ultra-wide angle lens.

Q: 10. This lens vs the Sony 90mm OSS macro, what will get a bigger overall image at the minimum focus distance?

A: The IRIX 150mm T3.0 Macro 1:1 Lens will achieve approximately 3.3" by 2.2" at it's closest. The Sony 90mm OSS Macro will achieve approximately 4.4" by 3" at it's closest. Therefore the IRIX 150mm will magnify more.