Canon CJ20ex7.8B 2/3" 4K UHD Portable ENG Lens

Where precision and versatility converge, the Canon CJ20ex7.8B 2/3" 4K UHD Portable ENG Lens stands as a testament to Canon's commitment to high-quality, innovative optical engineering. This durable and reliable lens is designed to meet the rigorous demands of modern broadcast production, offering both 4K UHD and HDTV compatibility.

Crafted with high index optical glass materials, the CJ20ex7.8B lens minimizes chromatic aberrations and geometric distortion, ensuring pristine image quality that professionals demand. Its advanced optical design includes new multi-layer coatings and aspheric lens elements, particularly in larger diameter elements, to control geometric distortion and aberrations, especially at wide-angle settings.

With a versatile focal length range of 7.8-156mm, which extends to 15.6-213mm with the built-in 2x extender, and a 20x zoom ratio, this lens is adept at capturing a wide array of scenes, from expansive landscapes to detailed close-ups. The wide aperture of f/1.8 facilitates shooting in various lighting conditions, maintaining high resolution and contrast across the entire image, from center to edge.

The CJ20ex7.8B lens is not only high-performing but also user-friendly. Weighing a mere 4.81 lbs. and measuring 6.69" (W) x 4.50" (H) x 9.06" (L), it boasts a compact and lightweight design that mirrors the size of Canon's 2/3" HD lenses. The balanced center of gravity near the mount reduces strain on the camera operator, while the ergonomic grip design ensures comfortable handling and ease of movement.

Compatibility with broadcast-use HD demands is seamlessly integrated, allowing for the use of existing zoom and focus electrical drive system accessories. The digital drive unit of the lens features a high-performance 16-bit encoder that communicates with compatible 2/3" HDTV cameras equipped with aberration correction functionality, streamlining the production process.

The drive unit's advanced capabilities include outputting accurate lens position data immediately upon power-up, negating the need for initialization. This feature is invaluable for quick starts in dynamic shooting environments and for precise calibration in virtual production.

Canon's digital functions further enhance the lens's operability. The Shuttle Shot feature memorizes two focal lengths for rapid automatic zooming, while the Frame Preset and Speed Preset functions allow for quick transitions and consistent zoom speeds, essential for live broadcasts and interviews.

In summary, the Canon CJ20ex7.8B 2/3" 4K UHD Portable ENG Lens is an exemplary choice for professionals seeking a high-quality, versatile, and innovative telephoto zoom lens that delivers exceptional 4K optical performance in a compact and user-friendly package.