Canon Ultrasonic EF135mm f 2L USM Instruction Manual

Canon Ultrasonic EF135mm f 2L USM manual cover
Pages 15
Year 2002
Language(s)
English en

Canon Ultrasonic EF135mm f 2L USM Specification

The Canon Ultrasonic EF135mm f/2L USM Lens is a high-performance telephoto lens designed for professional photographers seeking superior optical quality and versatility. Featuring a robust construction, the lens is part of Canon's esteemed L-series, known for its exceptional build and image quality. It boasts a focal length of 135mm, making it ideal for portraiture, sports, and wildlife photography, where capturing distant subjects with clarity is essential.

The lens offers a bright f/2 maximum aperture, which provides excellent low-light performance and allows for creative depth-of-field control, producing beautifully blurred backgrounds. The optical design incorporates 10 elements in 8 groups, including two UD (Ultra-low Dispersion) glass elements that effectively reduce chromatic aberrations and ensure sharp, high-contrast images across the frame.

Equipped with Canon's Ultrasonic Motor (USM) technology, the lens delivers fast, smooth, and near-silent autofocus, enhancing its suitability for both stills and video applications. Full-time manual focus override is available, allowing photographers to fine-tune focus without switching modes. The lens features a minimum focusing distance of 0.9 meters, enabling close-up shots with excellent detail.

The Canon EF135mm f/2L USM is compatible with Canon's full-frame and APS-C DSLRs, offering an equivalent focal length of approximately 216mm on crop-sensor cameras. Its durable construction includes weather-sealing to protect against dust and moisture, making it reliable in challenging shooting conditions. With a weight of approximately 750 grams, the lens is relatively lightweight for a telephoto lens of its class, ensuring ease of handling during extended shooting sessions.

Canon Ultrasonic EF135mm f 2L USM F.A.Q.

What are the best settings for portrait photography with the Canon EF135mm f/2L USM lens?

For portrait photography, use a wide aperture like f/2 to achieve a beautiful background blur. Pair it with a fast shutter speed to avoid motion blur and use a low ISO for the best image quality.

How can I troubleshoot autofocus issues with my Canon EF135mm f/2L USM lens?

Ensure the lens and camera contacts are clean. Try switching between AF and MF to reset the mechanism, and check your camera's AF settings. If issues persist, test the lens on another camera to isolate the issue.

What is the best way to clean the Canon EF135mm f/2L USM lens?

Use a blower to remove loose dust, a microfiber cloth for smudges, and a lens cleaning solution for stubborn dirt. Avoid touching the lens elements directly and always use lens caps when not in use.

How do I maintain the Canon EF135mm f/2L USM lens to ensure longevity?

Regularly clean the lens, store it in a dry environment, use a UV filter for protection, and avoid exposing it to extreme temperatures. Periodically check for firmware updates for your camera body that might improve lens performance.

What is the minimum focusing distance of the Canon EF135mm f/2L USM lens?

The minimum focusing distance is approximately 0.9 meters (3 feet), which allows for close-up shots with excellent detail and background separation.

Can the Canon EF135mm f/2L USM lens be used for sports photography?

Yes, the lens is suitable for sports photography, particularly for indoor sports or events in low-light conditions due to its fast f/2 aperture and quick autofocus capabilities.

What lens hood should I use with the Canon EF135mm f/2L USM lens?

The Canon EF135mm f/2L USM lens is compatible with the ET-78II lens hood, which helps to prevent lens flare and protects the front element.

How do I fix vignetting issues with the Canon EF135mm f/2L USM lens?

To reduce vignetting, stop down the aperture a few stops from wide open, or use lens correction profiles available in post-processing software like Adobe Lightroom or Canon's Digital Photo Professional.

Is the Canon EF135mm f/2L USM lens compatible with teleconverters?

Yes, the lens is compatible with Canon EF 1.4x and 2x teleconverters, which extend its focal length but reduce the maximum aperture and may affect autofocus performance.

What are common issues to check for when buying a used Canon EF135mm f/2L USM lens?

Inspect for dust or fungus inside the lens, check the condition of the autofocus, and ensure the aperture blades are clean and oil-free. Test the lens on a camera to verify image quality and functionality.