Canon HDGC KJ22ex7.6B v2 Operation Manual

Pages 146

Year 2020

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Canon HDGC KJ22ex7.6B Specification

The Canon HDGC KJ22ex7.6B Lens is a versatile and high-performance lens designed for professional broadcast and studio applications. This 2/3-inch HD lens is equipped with a 22x zoom ratio, offering a focal length range from 7.6mm to 168mm, making it ideal for capturing a wide variety of scenes from expansive wide-angle shots to tight close-ups. Its maximum relative aperture ranges from f/1.8 at 7.6mm to f/3.0 at 168mm, ensuring excellent performance in diverse lighting conditions. The lens incorporates Canon's advanced optical technologies, including multilayer coatings that reduce ghosting and flare and enhance contrast and color fidelity. The lens features a built-in 2x extender, effectively doubling the focal length for increased reach without compromising image quality. It also includes an ergonomic design with a robust and lightweight construction, making it suitable for handheld shooting and minimizing operator fatigue during extended use. The digital servo zoom control provides precise and smooth zooming action, while the focus and iris controls are designed for intuitive operation, allowing camera operators to maintain full creative control. Additional features include a bayonet mount for easy attachment to compatible cameras and a shuttle shot function for quick zoom position recall. The Canon HDGC KJ22ex7.6B Lens stands out for its reliability and optical excellence, making it a popular choice among professionals seeking a dependable tool for high-definition video production.

Canon HDGC KJ22ex7.6B F.A.Q.

What are the key features of the Canon HDGC KJ22ex7.6B lens?

The Canon HDGC KJ22ex7.6B lens features a 22x zoom ratio, a focal length range of 7.6mm to 167mm, and advanced optical technology for high-resolution images. It also includes features like a built-in 2x extender and a digital drive unit for precise zoom control.

How do I properly mount the Canon HDGC KJ22ex7.6B lens on a camera?

To mount the Canon HDGC KJ22ex7.6B lens, align the lens mount with the camera's mount interface, ensuring that the index marks are matched. Gently rotate the lens clockwise until it clicks into place, indicating it is securely mounted.

What should I do if the zoom function on the Canon HDGC KJ22ex7.6B lens is not working smoothly?

If the zoom function is not smooth, check for any obstructions or debris around the zoom ring. Clean the area carefully. If the problem persists, consider recalibrating the digital drive unit or consult a professional technician for servicing.

How can I maintain the Canon HDGC KJ22ex7.6B lens to ensure its longevity?

Regularly clean the lens using a microfiber cloth and lens cleaning solution. Store the lens in a dry, cool place when not in use and use lens caps to protect the glass elements. Conduct periodic checks for dust and fungus, especially if used in humid environments.

Can the Canon HDGC KJ22ex7.6B lens be used in low-light conditions?

Yes, the Canon HDGC KJ22ex7.6B lens can be used in low-light conditions, thanks to its high-quality optics designed to maximize light transmission. However, using supplementary lighting or adjusting camera settings may be necessary for optimal results.

What are common troubleshooting steps if the autofocus on the Canon HDGC KJ22ex7.6B lens is not functioning?

Check if the lens is properly mounted and ensure the autofocus switch is enabled. Clean the lens contacts with a dry cloth. If the issue persists, test the lens on another camera body to determine if the problem is lens-specific.

How can I adjust the back focus on the Canon HDGC KJ22ex7.6B lens?

To adjust the back focus, locate the back focus adjustment ring on the lens. Loosen the locking screws and rotate the ring until the image is sharp. Tighten the screws to secure the setting. It's recommended to use a focus chart for precise adjustments.

What are the benefits of using the 2x extender on the Canon HDGC KJ22ex7.6B lens?

The 2x extender on the Canon HDGC KJ22ex7.6B lens effectively doubles the focal length, allowing for closer shots without physically moving the camera. This is particularly useful for capturing distant subjects in detail.

How do I clean the Canon HDGC KJ22ex7.6B lens properly?

Use a blower to remove loose dust, then gently wipe the lens surface with a microfiber cloth. For stubborn smudges, apply a lens cleaning solution to the cloth, not directly on the lens, and clean in a circular motion.

What precautions should I take when using the Canon HDGC KJ22ex7.6B lens in extreme weather conditions?

In extreme weather, use protective covers to shield the lens from moisture and dust. Allow the lens to acclimate to temperature changes gradually to prevent condensation. Always dry the lens thoroughly if it becomes wet.