Canon CJ12ex4.3B IASE S 4K Lens

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Description

The Canon CJ12ex4.3B IASE S Lens offers a powerful combination of ultra-wide-angle capability and 4K UHD clarity, making it an exceptional choice for live broadcasts, corporate events, music festivals, sports coverage, and other demanding event productions. Built to handle diverse shooting scenarios, this lens delivers superb image quality across a wide focal range, ensuring that your team can capture every detail with precision.  The Canon CJ12 is the perfect lens choice to accompany our Panasonic AK-UC4000 Cameras.

With an impressive 12x zoom ratio and an ultra-wide 4.3–52mm focal length, the CJ12ex4.3B is designed for capturing expansive shots without sacrificing detail. This makes it particularly valuable for environments that require wide coverage, such as crowded venues, stage setups, or dynamic sports scenes where a broad field of view is essential. The lens also allows operators to pull in for closer framing when necessary, delivering flexibility on the fly.

The Image Stabilisation integrated into the CJ12ex4.3B is especially useful for productions in high-movement settings. This feature minimizes camera shake and ensures stable, clear footage, making it ideal for handheld or mobile shooting situations where vibrations are a factor. Whether filming a fast-paced sports event or moving through a concert crowd, the image stabilisation keeps visuals smooth and steady.

Canon’s optical engineering is showcased through the use of Ultra Low Dispersion (UD) glass and Aspherical Lens Elements, which work to reduce chromatic aberrations, preserve accurate colours, and deliver crisp, high-contrast images across the entire zoom range. This level of optical quality is invaluable for live events and broadcasts, where image fidelity and detail must meet the demands of large displays and 4K broadcast standards.

Equipped with a Digital Drive Unit that supports programmable zoom, focus, and iris control, the CJ12ex4.3B provides precise control for multi-camera setups and complex production workflows. The lens also includes 20-pin connectors, facilitating seamless integration with broadcast control systems for reliable performance in intricate event coverage setups.

Rugged, versatile, and designed for professional-grade applications, the Canon CJ12ex4.3B IASE S Lens is a highly reliable option for production teams looking to elevate their event coverage with ultra-wide, high-quality 4K visuals.

Tech Spec

Built-In Extender: 2.0 x
Focal Length: 4.3-52mm
Focal Length With Extender: 8.6-104mm
Maximum Relative Aperture: 1:1.8 (4.3-40mm)
1:2.4 (52mm)
Maximum Relative Aperture (with extender): 1:3.6 (8.6-80mm)
1:4.8 (104mm)
Zoom Ratio: 12 x
Kit Includes:
Canon ZSD-300D Zoom Demand
Canon FPD-400D Focus Demand
Transport Weight: 12.4kg

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