Canon Ultrasonic EF70-200mm f 4L IS USM Instruction Manual

Canon Ultrasonic EF70-200mm f 4L IS USM manual cover

Pages 16

Year 2006

Language(s)

of 16

Canon Ultrasonic EF70-200mm f 4L IS USM Specification

The Canon Ultrasonic EF70-200mm f/4L IS USM Lens is a versatile telephoto zoom lens designed for professional photographers and advanced amateurs. It features a focal length range of 70-200mm, providing excellent flexibility for capturing subjects at various distances. The lens boasts a constant f/4 maximum aperture, allowing for consistent exposure settings throughout the zoom range. Constructed with Canon's renowned L-series optics, it delivers outstanding image quality with minimal distortion and chromatic aberration. The lens incorporates a sophisticated Image Stabilization (IS) system that offers up to four stops of shake correction, enabling sharp handheld photography even in low-light conditions.

The Ultrasonic Motor (USM) ensures fast, precise, and near-silent autofocus, making it suitable for both still photography and video recording. Its internal focusing mechanism allows for quick adjustments without changing the overall length of the lens, maintaining balance and stability during use. The durable and lightweight construction features high-quality materials, including weather-sealed components, ensuring reliability in challenging environments. The lens also includes a fluorine coating on the front and rear elements, reducing smudges and fingerprints and enhancing overall durability.

Compatible with full-frame and APS-C Canon DSLR cameras, the EF70-200mm f/4L IS USM Lens provides an effective focal length range of approximately 112-320mm on APS-C models, making it ideal for sports, wildlife, and portrait photography. It supports a minimum focusing distance of 1.2 meters, offering versatility for close-up shots. This lens is designed for photographers seeking professional-level performance in a compact, manageable size, offering a blend of advanced features and exceptional image quality for a wide range of photographic applications.

Canon Ultrasonic EF70-200mm f 4L IS USM F.A.Q.

How do I properly attach the Canon EF70-200mm f/4L IS USM Lens to my camera?

To attach the Canon EF70-200mm f/4L IS USM Lens, align the red dot on the lens with the red dot on the camera mount. Gently insert the lens into the camera body and rotate it clockwise until it clicks into place.

What is the best way to clean the lens to maintain its quality?

Use a soft, lint-free microfiber cloth to gently wipe the lens surface. For stubborn smudges, apply a few drops of lens cleaning solution to the cloth before wiping. Avoid using rough materials that can scratch the lens.

Why is my Canon EF70-200mm f/4L IS USM Lens not focusing correctly?

Ensure that the lens is set to autofocus mode using the AF/MF switch. Clean the lens and camera contacts with a dry cloth to ensure proper communication between the camera and lens. If the issue persists, try resetting your camera settings or testing the lens on a different camera body.

How can I reduce lens flare when using this lens?

Use the lens hood supplied with the Canon EF70-200mm f/4L IS USM to minimize lens flare. Additionally, avoid pointing the lens directly at strong light sources such as the sun.

What is the image stabilization capability of the Canon EF70-200mm f/4L IS USM Lens?

The lens features an Image Stabilizer (IS) that provides up to 4 stops of shake correction, enabling sharp images in low-light conditions or when shooting handheld.

How do I switch between different focusing modes on this lens?

The Canon EF70-200mm f/4L IS USM Lens includes a focus mode switch on the side. Set it to AF for autofocus or MF for manual focus. In manual mode, you can turn the focus ring to achieve the desired focus.

Can I use filters with the Canon EF70-200mm f/4L IS USM Lens?

Yes, the lens supports 67mm screw-on filters. You can use various filters such as UV, polarizing, or ND filters to enhance your photography.

What should I do if the lens gets wet?

If the lens gets wet, immediately dry it with a soft, absorbent cloth. Ensure all moisture is removed from the lens body and contacts. If water enters the lens, seek professional cleaning and servicing.

How do I update the firmware of my Canon EF70-200mm f/4L IS USM Lens?

Canon lenses do not have user-updatable firmware. Firmware updates, if necessary, are typically provided through the camera body. Check Canon's official website for any updates related to your camera model.

What precautions should I take when storing the lens for an extended period?

Store the lens in a cool, dry place, ideally in a padded camera bag to prevent dust accumulation. Keep it away from direct sunlight and extreme temperatures. Consider using a desiccant to control humidity.