Canon Ultrasonic EF70-200mm f 2.8L IS USM Instruction Manual

Canon Ultrasonic EF70-200mm f 2.8L IS USM manual cover

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Year 2002

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Canon Ultrasonic EF70-200mm f 2.8L IS USM Specification

The Canon Ultrasonic EF70-200mm f/2.8L IS USM Lens is a professional-grade telephoto zoom lens designed for Canon's EOS DSLR cameras. It delivers exceptional image quality, catering to both professional photographers and advanced amateurs. The lens features a versatile focal length range of 70-200mm, offering flexibility for various shooting scenarios including portraiture, sports, and wildlife photography. With a constant maximum aperture of f/2.8, it provides excellent low-light performance and depth-of-field control, ensuring sharp, vibrant images with beautiful background blur.

The lens incorporates Canon's Ultrasonic Motor (USM) technology, enabling fast, precise, and near-silent autofocus operation, which is crucial for capturing spontaneous moments without disturbing the scene. The Image Stabilization (IS) system is designed to reduce camera shake, providing up to three stops of correction, which is particularly beneficial when shooting handheld or in low-light conditions.

Constructed with 23 elements in 18 groups, the lens includes one fluorite and five ultra-low dispersion elements to minimize chromatic aberrations and ensure high-resolution and high-contrast images. The lens is part of Canon's esteemed L-series, denoting its premium build quality, which includes a weather-sealed construction, ensuring durability and reliability in challenging environments.

The EF70-200mm f/2.8L IS USM also features full-time manual focus, allowing photographers to make precise focus adjustments without switching out of autofocus mode. With a minimum focusing distance of 1.2 meters, it offers a maximum magnification of 0.21x, providing flexibility for close-up photography. The lens is compatible with Canon extenders, further extending its focal length range for even greater versatility. Overall, it is a robust and versatile lens ideal for demanding shooting conditions.

Canon Ultrasonic EF70-200mm f 2.8L IS USM F.A.Q.

What are the key features of the Canon Ultrasonic EF70-200mm f/2.8L IS USM Lens?

The Canon EF70-200mm f/2.8L IS USM Lens features a constant f/2.8 aperture, Image Stabilization (IS), Ultra-Sonic Motor (USM) for fast and silent autofocus, and L-series optics for superior image quality.

How do I properly clean and maintain the Canon EF70-200mm f/2.8L IS USM Lens?

To clean the lens, use a blower to remove dust, a lens cleaning solution with a microfiber cloth for the glass, and ensure the lens is stored in a dry, padded case to prevent moisture and physical damage.

What should I do if the autofocus on my Canon EF70-200mm f/2.8L IS USM Lens is not working?

Check if the AF/MF switch is set to AF. Ensure the lens and camera contacts are clean. If the problem persists, try resetting the camera settings or testing the lens on another camera body to isolate the issue.

Can I use the Canon EF70-200mm f/2.8L IS USM Lens with an extender?

Yes, the lens is compatible with Canon Extenders EF 1.4x and EF 2x, which can increase the focal length to 98-280mm or 140-400mm, respectively, with some decrease in aperture size.

How does the Image Stabilization work on the Canon EF70-200mm f/2.8L IS USM Lens?

The Image Stabilization (IS) system in this lens compensates for camera shake, allowing you to shoot at slower shutter speeds than would typically be possible, enhancing image sharpness.

What are the common signs that the Canon EF70-200mm f/2.8L IS USM Lens needs servicing?

Signs include unusual noises during focusing, image stabilization not functioning, visible damage to the lens elements, or consistent autofocus errors.

Is the Canon EF70-200mm f/2.8L IS USM Lens weather-sealed?

Yes, the lens has weather-sealing to protect against dust and moisture, making it suitable for use in varied environmental conditions.

How can I achieve the best image quality with the Canon EF70-200mm f/2.8L IS USM Lens?

Use a tripod or monopod for stability, shoot in optimal lighting, and utilize the lens' sweet spot aperture around f/5.6 to f/8 for sharpness.

What is the minimum focusing distance of the Canon EF70-200mm f/2.8L IS USM Lens?

The minimum focusing distance of this lens is 1.2 meters (3.9 feet), allowing for a maximum magnification of 0.21x.

How do I calibrate the Canon EF70-200mm f/2.8L IS USM Lens for autofocus accuracy?

Calibration can be done using the camera's micro-adjustment feature, or using a lens calibration tool to fine-tune the autofocus for precise sharpness.