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4K UHD Field Box Lenses

Item Code: 0122T067

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As a broadcast lens that supports 2/3" 4K cameras, the 4K UHD-DIGISUPER 90 (UJ90x9B) broadcast lens features the world's highest zoom ratio (90x)* and world's longest focal length (810mm)*. The lens is capable of maintaining full 4K overall optical image quality over that the full 9mm to 810mm range, offering superb image framing options for all forms of outside broadcast television productions. The extensive framing latitude can dramatically capture all possible on-site sensations - from the emotion of an entire crowded stadium to other emotions expressed in the close-ups of facial expressions of individual players on the field.

* Among compatible 2/3-inch 4K broadcast lenses available as of September 8th, 2015.

The 4K UHD-DIGISUPER 90 (UJ90x9B) broadcast lens achieves a high Modulation Transfer Function (MTF) at picture center throughout the entire focal range of the lens, over a wide range of scene subject distances. This was a design priority. New design strategies were used to sustain a high MTF from picture center across the entire image plane to help ensure high subjective 4K image sharpness. New design strategies and new optical materials were utilized to lower the monochromatic and the chromatic optical aberrations to a level consistent with high quality 4K portrayal on large screens.
Thanks to the precision of its high-grade components and assembly, the 4K UHD-DIGISUPER 90 (UJ90x9B) broadcast lens achieves outstanding 4K optical performance, even when the built-in 2x extender has been engaged. The perennial challenge for long telephoto lenses is image blur caused by inadvertent movements of the lens often caused by to vibrations due to wind, or when mounted on towers. This becomes a larger issue when 4K image resolution is sought. The latest state of the art optical shift-type image stabilizer system (empowered by a powerful new digital servo control loop), helps ensure high-speed precision deflection of light rays being transmitted through the lens, serving to counteract (in real time) their displacement by inadvertent outside movements of the lens.
Great consideration was given to the requisite precision mounting of all optical elements required to maintain full 4K performance over the extended focal range of the 4K UHD-DIGISUPER 90 (UJ90x9B) broadcast lens. Ensuring precision focus tracking over that long zoom rage was a central design priority. Digital servo speed has been optimized to meet the many operational requirements that support creative coverage of sporting events. Advanced, contemporary optomechanical design strategies were used to produce an overall lens size that contributes to its operational ease.
The 4K UHD-DIGISUPER 90 (UJ90x9B) broadcast lens utilizes the same standard controllers for zoom and focus operations that have been optimized over decades of Canon HDTV field lens developments. The lens also uses the standard Canon 20-pin connector that provides an interface for the digital precision positional information of the zoom, focus, and iris operations required by many external virtual systems.



Product Category

Field Lens

Product Series


Image Composition

Object Image Format

2/3 inch

Aspect Ratio


Zoom Ratio


Focal Length Range

9 ~ 810mm

Focal Length Range with Extender

18 ~ 1620mm (with 2x Extender)

Angular Field of View

56.1° × 33.4° at 9mm
0.68° × 0.38° at 810mm

Angular Field of View with Extender

29.9° × 17.1° at 18mm (with 2x Extender)
0.34° × 0.19° at 1620mm (with 2x Extender)

Optical Brightness

Maximum Relative Aperture (F-Number)

1:2.4 at 9 ~ 486mm
1:4.0 at 810mm

Maximum Relative Aperture (F-Number) with Extender

1:4.8 at 18 ~ 972mm (with 2x Extender)
1:8.0 at 1620mm (with 2x Extender)

Scene Composition

MOD From Front of Lens

3.0 Meter

Scene Object Dimensions at MOD

287.9 × 161.9cm at 9mm
3.3 × 1.9cm at 810mm

Scene Object Dimensions at MOD with Extender

144.0 × 81.0cm at 18mm (with 2x Extender)
1.7 × 1.0cm at 1620mm (with 2x Extender)

Physical Attributes


9.9in (250.6mm)


10.1in (255.5mm)


24in (610mm)


51.2 lbs (23.2kg)



White Papers

Role of the 2/3-inch Image Format in 4K UHD Production
This paper is intended to provide a background to the emergence of 2/3-inch lens-camera systems for 4K UHD production and the optical performance expectations of associated 4K lenses. The paper will review Canon’s involvement in the development of those lenses and will describe our initial 4K UHD lens family and the associated design strategies to achieve this impressive level of optical performance. The paper will explain the unprecedented strategy of introducing two categories within this new 4K UHD lens family – namely, 4K and 4K PREMIUM. The distinct performance difference between the two reflects Canon’s recognition that different 4K program genres will require different levels of overall cost / performance.
Lens Strategies for the era of 4K UHD Digital Motion Imaging
It was probably inevitable that broadcasters would begin to explore the possibilities of 4K UHD for the globally popular world of outside broadcast sports coverage; and indeed, recent years have seen a great deal of related experimental projects. The 4K UHD lens issue soon surfaced as the limitations of presently available Super 35mm zoom lenses quickly became apparent.

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Canon Broadcast Lenses

Learn about Canon's lineup of Broadcast lenses.

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UHD-DIGISUPER 90 - Operational Manual
Operational Manual for 4K UHD-DIGISUPER 90 (UJ90x9B) Field Box Lenses

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† Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary.

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