Canon HDXS HJ15ex8.5B Operation Manual

Pages 118

Year 2015

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Canon HDXS HJ15ex8.5B Specification

The Canon HDXS HJ15ex8.5B lens is a high-performance portable HDTV production lens, specifically engineered for versatility in a variety of shooting environments. It features a focal length range of 8.5 to 128mm, with a 1.0x extender, offering a broad zoom ratio of 15x, which makes it ideal for both close-up and wide-angle shots. The lens incorporates Canon's advanced optical technology, including the use of Fluorite and UD glass elements to minimize chromatic aberrations and deliver superior image quality with high resolution and contrast. The HJ15ex8.5B is designed with precision optics and a sophisticated internal focusing system, ensuring minimal focus breathing and maintaining stable compositional framing throughout the focus range. With a maximum relative aperture of f/1.7 at 8.5 to 113mm and f/2.4 at 128mm, the lens provides excellent performance in low-light conditions. Canon's unique Digital Drive unit, equipped with a high-resolution encoder, enhances the operator's control over zoom, focus, and iris settings, enabling smooth and accurate performance during dynamic shooting scenarios. The lens also features an ergonomic design, with an integrated grip that facilitates handheld operation, and a robust build quality suitable for rigorous field use. It supports various operational modes, including shuttle shot and speed preset, allowing for creative flexibility in broadcast and professional video productions. Additionally, the lens is compatible with Canon's virtual studio systems, enhancing its utility in live production environments. This lens is part of Canon's HDxs series, which is renowned for its reliability and superior optical performance in professional-grade lenses.

Canon HDXS HJ15ex8.5B F.A.Q.

How do I properly clean the Canon HDXS HJ15ex8.5B Lens?

To clean the Canon HDXS HJ15ex8.5B Lens, use a microfiber cloth to gently wipe the lens surface. For deeper cleaning, apply a small amount of lens cleaning solution to the cloth and clean in a circular motion. Avoid using harsh chemicals or rough materials that could scratch the lens.

What should I do if the zoom function on the Canon HDXS HJ15ex8.5B 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 issue persists, consider lubricating the zoom mechanism with a lubricant recommended by Canon or take the lens to a professional service center.

How can I adjust the back focus on the Canon HDXS HJ15ex8.5B Lens?

To adjust the back focus, locate the back focus adjustment ring near the lens mount. Loosen the locking screw, adjust the ring while checking focus on a monitor, and retighten the screw once focus is achieved. Ensure proper calibration by using a focus chart if available.

What steps should I follow to mount the Canon HDXS HJ15ex8.5B Lens on a camera?

Align the lens mount with the camera's lens mount, ensuring the index marks are matched. Gently rotate the lens until it clicks into place. Verify the lens is securely attached by attempting to gently remove it without pressing the release button.

How do I troubleshoot image distortion issues with the Canon HDXS HJ15ex8.5B Lens?

Check if the lens is clean and properly mounted. Distortion can also occur due to incorrect back focus adjustment or improper camera settings. Ensure that the lens is calibrated and that camera settings such as distortion correction are configured properly.

What maintenance is required for the Canon HDXS HJ15ex8.5B Lens to ensure optimal performance?

Regularly clean the lens elements and body. Inspect for dust or debris. Check the zoom and focus rings for smooth operation. Schedule professional servicing annually or as needed based on usage to maintain optical performance and mechanical integrity.

How do I store the Canon HDXS HJ15ex8.5B Lens when it's not in use?

Store the lens in a dry, cool place inside a protective case or pouch. Use silica gel packs to control humidity and prevent fungal growth. Ensure lens caps are on to protect the front and rear elements from dust and damage.

What should I do if the focus ring on the Canon HDXS HJ15ex8.5B Lens feels stiff?

Inspect the focus ring for any visible debris or damage. Clean gently and use a suitable lubricant if necessary. If the stiffness persists, consult a Canon service center for professional assessment and repair.

Can I use the Canon HDXS HJ15ex8.5B Lens with a camera from a different manufacturer?

The Canon HDXS HJ15ex8.5B Lens is designed for specific mounts, so using it with cameras from different manufacturers may require an adapter. Ensure compatibility and functionality when using adapters to avoid damage or performance issues.

How can I check for lens element alignment on the Canon HDXS HJ15ex8.5B Lens?

To check lens element alignment, capture a test image with distinct patterns at different focal lengths. Examine images for any signs of misalignment such as blurring or distortion. If issues are detected, professional servicing may be necessary.