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Canon 4.3-65mm 4K UHD Lens

Code: CAN/CJ15ex4.3B
The CJ15ex4.3B 4K UHDxs wide-angle portable zoom lens sets a new benchmark in 4K UHD broadcast production with best-in-class 15X magnification1 and 4.3mm wide-angle1 that can achieve jaw-dropping 4K imagery, helping take production creativity to a whole new level. For even greater flexibility, a 2x extender enables the CJ15ex4.3B to provide a super telephoto 130mm focal length.

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Introducing the Canon CJ15ex4.3B Wide Angle Broadcast Lens

Delivering the high optical performance of Canon’s UHDxs series, the CJ15ex4.3B broadcast lens possesses an industry-leading wide-focal length of 4.3m... read morem and best-in-class maximum focal length of 65mm (130mm with built-in 2X extender), making it ideal for producing high-quality video for a variety of needs including sports broadcasting and electronic newsgathering. Through the optimal placement of fluorite, UD and Super UD lenses in a multi-group optical configuration developed by Canon, the CJ15ex4.3B possesses excellent correction of situations such as color bleeding and chromatic aberration. In addition, Canon’s proprietary Air Sphere Coating (ASC) helps reduce flaring and ghosting and provides great visual expression with rich gradation, which is ideal for HDR and WCG shooting. The CJ15ex4.3B is the first portable broadcast lens to feature Air Sphere Coating, which originated with Canon’s EF-mount photography lenses.

4K Optical Performance and Improved HD Imaging

The portable CJ15ex4.3B 4K UHD lens was developed using our exclusive optical design technology to achieve superb optical performance, with 4K resolving power and high contrast from the center of the screen to the edges. As part of our UHDxs family, this lens represents Canon’s highest class of broadcast lens offerings. In addition to capturing impressive 4K content, the CJ15ex4.3B lens will significantly enhance current HDTV optical imaging performance while potentially future-proofing for the longer term, making it ideal for those seeking a new lens for contemporary HDTV production – while also anticipating a future shift to 4K production.

High index optical glass materials, each having unique dispersion characteristics, help minimize chromatic aberrations and geometric distortion. Lens element surface accuracy has been improved significantly over HDTV lenses contributing to the enhanced Modulation Transfer Function (MTF) performance required of 4K imagery. Multi-layer optical coatings combined with strategic deposition processes help ensure a deep black reproduction that is central to HDR imaging.

Extreme Wide Angle 4.3mm with Class Leading 15x1 Zoom and Built-in 2x Extender

The CJ15ex4.3B 4K UHD wide-angle portable lens offers the world's shortest focal length of 4.3mm*. This makes it possible to create images with extreme 96.3 degree wide angles of view, with the shortest focal length for a 2/3" 4K lens. Additionally, this lens offers the longest telephoto performance in its class with a 15x zoom* ratio enabling shots up to 65mm, and for even greater flexibility the built-in 2x extender can increase that further to a super telephoto 130mm focal length.

Compact and Lightweight

Weighing only 4.8 lbs. and measuring 6.4” (W) x 4.2” (H) x 9.8” (L), the CJ15ex4.3B 4K UHD portable lens was engineered to be similar in size to our 2/3" HD lenses, while delivering 4K performance and offering the mobility and durability demanded in the sports, reporting and documentary fields.

The form factor creates a user-friendly design, including an ergonomic grip design for a comfortable feel during operation, helping to reduce fatigue and make it easy to move the camera about. The center of gravity is close to the mount, lessening strain on the hands and elbows of the camera operator.

Convenient Digital Functions

The Canon drive unit integrates a variety of operations, stored digitally, that can be manipulated using the display.

Compatibility with HD Demands

This feature allows for compatibility with HD demands used for broadcasting. Operators can continue using the zoom/focus motorized accessories and servo models they currently use with HD equipment, as well as Canon’s ZDJ-S01 Zoom Demand and FDJ-S01 Focus Demand. These new zoom and focus demands are equipped with the flexibility necessary to meet diverse user needs when shooting in 4K, while offering simple operability in a compact design.

Advanced Digital Drive Unit

The CJ15ex4.3B 4K UHD portable lens incorporates a digital drive unit, and the high-performance 16-bit encoder supports communication with compatible 2/3" HDTV/UHDTV cameras equipped with aberration correction functionality, without initializing the lens. Three 20-pin connectors enable high-definition lens output for virtual systems even during full-servo operation.


Product Series CJ15ex4.3B

Image Composition

Object Image Format 2/3 inch
Aspect Ratio 16:9
Zoom Ratio 15X
Focal Length Range 4.3 ~ 65mm
Angular Field of View 96.3° x 64.2° at 4.3 mm
8.4° x 4.8° at 65 mm

Optical Brightness

Maximum Relative Aperture (F-Number) 1:1.8 at 4.3 - 40 mm
1:2.9 at 65 mm

Scene Composition

MOD From Front of Lens 0.30 Meters (10 mm with Macro)
Scene Object Dimensions at MOD 76.1 x 42.8 cm at 4.3 mm
4.9 x 2.8 cm at 65 mm

Physical Attributes

Width 6.4in (163.0mm)
Height 4.2in (107.6mm)
Dimensions 9.6in (249.6mm)
Weight 4.8 lbs. (2.19 kg)