Canon Ultrasonic EF800mm f 5.6L IS USM Instruction Manual

Canon Ultrasonic EF800mm f 5.6L IS USM manual cover
Pages 17
Year 2008
Language(s)
English en

Canon Ultrasonic EF800mm f 5.6L IS USM Specification

The Canon Ultrasonic EF800mm f/5.6L IS USM Lens is a high-performance telephoto lens designed for professional photographers who require exceptional image quality and reach. It features an 800mm focal length, making it ideal for wildlife, sports, and news photography where capturing distant subjects is essential. The lens boasts a maximum aperture of f/5.6, providing adequate light-gathering capabilities and control over depth of field. Integrated with Canon's Image Stabilization (IS) technology, this lens offers up to four stops of shake correction, ensuring sharp images even in challenging shooting conditions. The Ultrasonic Motor (USM) delivers fast and near-silent autofocus, enhancing the ability to capture fleeting moments with precision. Constructed with Canon's L-series quality, it includes a rugged build with weather sealing, making it durable and resistant to dust and moisture. The optical design incorporates fluorite and Super UD glass elements, minimizing chromatic aberrations and enhancing image clarity and color fidelity. With a minimum focusing distance of 6 meters, it provides versatility in composition. The lens is compatible with Canon's Extender EF teleconverters, offering extended reach for even greater magnification. At 4.5 kilograms, it is relatively lightweight for an ultra-telephoto lens of its class, allowing for manageable handling in the field. It includes a rotatable tripod collar for balanced mounting on tripods and monopods, facilitating stable shooting setups. The Canon Ultrasonic EF800mm f/5.6L IS USM Lens is an exemplary tool for professionals demanding unparalleled performance in capturing distant subjects with exquisite detail and clarity.

Canon Ultrasonic EF800mm f 5.6L IS USM F.A.Q.

What are the best settings for wildlife photography using the Canon Ultrasonic EF800mm f/5.6L IS USM Lens?

For wildlife photography, set the camera to aperture priority mode with an aperture of f/5.6 to achieve a sharp subject and blurred background. Use ISO settings between 400-800 to ensure fast shutter speeds, and enable image stabilization for handheld shots.

How can I maintain the Canon EF800mm f/5.6L IS USM Lens to ensure its longevity?

Regularly clean the lens elements with a microfiber cloth and lens cleaning solution. Store the lens in a dry, dust-free environment and use a lens hood to protect it from scratches and direct sunlight. Also, periodically check the lens mount for any signs of wear or debris.

What should I do if the autofocus on my Canon EF800mm f/5.6L IS USM Lens is not working correctly?

First, ensure that the lens is securely attached to the camera body. Check that the AF/MF switch is set to AF. Clean the lens and camera contacts with a soft, dry cloth. If the issue persists, reset the camera settings or test the lens on another camera body to determine if the problem is with the lens.

How effective is the Image Stabilization feature on the Canon EF800mm f/5.6L IS USM Lens?

The Image Stabilization (IS) feature is highly effective, providing up to four stops of correction. It is particularly useful for handheld shooting in low-light conditions or when using slower shutter speeds to reduce camera shake.

Can I use teleconverters with the Canon EF800mm f/5.6L IS USM Lens?

Yes, the Canon EF800mm f/5.6L IS USM Lens is compatible with Canon EF 1.4x and 2x teleconverters. Using a 1.4x teleconverter will increase the focal length to 1120mm and a 2x teleconverter to 1600mm, though it will also reduce the maximum aperture and may affect autofocus performance.

How do I transport the Canon EF800mm f/5.6L IS USM Lens safely to avoid damage?

Use a well-padded, sturdy camera bag specifically designed for long lenses. Ensure the lens is securely fastened within the bag and keep it covered with both lens caps when not in use. Consider using a lens coat for extra protection during transport.

What is the best way to calibrate the focus of the Canon EF800mm f/5.6L IS USM Lens?

Calibrate the lens using the micro-adjustment feature in your camera settings. Use a focus calibration tool or target to ensure accuracy. Take test shots at various distances and adjust as needed until the focus is consistently sharp.

Is the Canon EF800mm f/5.6L IS USM Lens weather-sealed for outdoor shooting?

Yes, the lens is weather-sealed to protect against dust and moisture, making it suitable for outdoor shooting in various weather conditions. However, it is advisable to use additional rain protection for extended exposure to harsh elements.

What are some common issues with the Canon EF800mm f/5.6L IS USM Lens and how can they be resolved?

Common issues include autofocus inaccuracies, lens flare, and image stabilization not functioning properly. Ensure firmware is up to date, use a lens hood to reduce flare, and clean contacts if stabilization is intermittent. If problems persist, consult a professional technician.

How do I change the focus mode on the Canon EF800mm f/5.6L IS USM Lens?

The lens features a focus mode switch located on the side. Slide the switch to 'AF' for autofocus or 'MF' for manual focus. For manual focus, use the focus ring to adjust focus as needed.