Canon Ultrasonic EF16-35mm f 2.8L III USM Instruction Manual

Canon Ultrasonic EF16-35mm f 2.8L III USM manual cover
Pages 14
Year 2016
Language(s)
English en

Canon Ultrasonic EF16-35mm f 2.8L III USM Specification

The Canon Ultrasonic EF16-35mm f/2.8L III USM Lens is a high-performance, wide-angle zoom lens designed for professional photographers who require exceptional image quality and versatility. It features a focal length range of 16-35mm, making it ideal for capturing expansive landscapes, architecture, and dynamic portraits. The lens boasts a constant maximum aperture of f/2.8, providing consistent low-light performance and depth of field control across the zoom range.

Constructed with advanced optical technologies, the lens incorporates two large-diameter double-surface aspherical elements and one glass-molded aspherical element to minimize distortions and aberrations, ensuring sharp, high-resolution images. Additionally, two UD lens elements work to reduce chromatic aberration and color fringing, enhancing overall image clarity and contrast.

The EF16-35mm f/2.8L III USM features Canon's proprietary Subwavelength Coating (SWC) and Air Sphere Coating (ASC) to significantly reduce lens flare and ghosting, delivering superior image quality even in challenging lighting conditions. The Ultrasonic Motor (USM) provides fast, near-silent autofocus, complemented by full-time manual focus override for precise focusing adjustments.

Durability is a hallmark of the L-series lenses, and this model is no exception, with a robust, weather-sealed design that protects against dust and moisture, ensuring reliability in various shooting environments. The lens also includes a nine-blade circular aperture to produce pleasing bokeh and a minimum focusing distance of 0.28 meters for creative close-up shots. With its blend of advanced optical performance, professional-grade build quality, and versatile focal range, the Canon EF16-35mm f/2.8L III USM Lens is a top choice for photographers seeking superior results.

Canon Ultrasonic EF16-35mm f 2.8L III USM F.A.Q.

What are the optimal settings for landscape photography with the Canon EF16-35mm f/2.8L III USM lens?

For landscape photography, set your camera to aperture priority mode and use a small aperture like f/11 or f/16 to ensure a large depth of field. Keep the ISO low, ideally at 100, and use a tripod to prevent camera shake.

How can I reduce lens flare when using the Canon EF16-35mm f/2.8L III USM lens?

To reduce lens flare, attach the lens hood that comes with the lens, avoid shooting directly into bright light sources, and use your hand or other objects to block stray light from hitting the lens.

What should I do if my Canon EF16-35mm f/2.8L III USM lens is not focusing properly?

First, ensure the lens is set to autofocus mode. Check for any obstructions on the lens or camera contacts. If issues persist, try cleaning the contacts with a microfiber cloth and resetting the camera and lens.

What maintenance steps should be taken to keep the Canon EF16-35mm f/2.8L III USM lens in good condition?

Regularly clean the lens elements with a lens blower and microfiber cloth. Store the lens in a dry, dust-free environment, and use a lens case or pouch for protection. Check for firmware updates from Canon regularly.

Can I use filters on the Canon EF16-35mm f/2.8L III USM lens, and what size do I need?

Yes, you can use filters with this lens. The filter thread size is 82mm. Consider using high-quality UV or polarizing filters to enhance image quality and protect the lens.

How can I achieve sharp images with the Canon EF16-35mm f/2.8L III USM lens?

Use a sturdy tripod to minimize camera movement, and select an aperture setting between f/5.6 and f/8 for optimal sharpness. Ensure proper focus by using autofocus or manual focus with live view magnification.

What should I do if the zoom ring on my Canon EF16-35mm f/2.8L III USM lens feels stiff?

Check for any external obstructions or debris in the zoom ring. If the issue persists, consider having the lens serviced by a professional technician to avoid damaging the internal components.

Is the Canon EF16-35mm f/2.8L III USM lens weather-sealed?

Yes, the lens features weather-sealing to protect against dust and moisture. However, it is still advisable to avoid exposing it to extreme conditions and to use a rain cover when necessary.

How do I clean the front element of the Canon EF16-35mm f/2.8L III USM lens?

Use a soft lens blower to remove loose dust, then gently clean the lens with a microfiber cloth or lens cleaning tissue, using circular motions. Apply lens cleaning solution to the cloth, not directly on the lens.

What is the minimum focusing distance of the Canon EF16-35mm f/2.8L III USM lens?

The minimum focusing distance of the lens is approximately 0.28 meters (11 inches), allowing for close-up photography with a magnification of about 0.22x.