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Canon EF 16-35mm f/2.8L III USM Lens

The Canon EF 16-35mm f/2.8L III USM is a workhorse wide-angle L-series zoom lens characterised by a revamped optical design.

This lens utilises a trio of aspherical elements and two ultra-low dispersion glass elements to control a variety of aberrations for high sharpness and clarity. Both SWC and ASC coatings have also been applied to the elements in order to reduce lens flare and ghosting for increased contrast and colour accuracy.

Complementing its optical prowess, a ring-type Ultrasonic Motor offers fast, smooth, and near-silent autofocus performance, which is further benefitted by full-time manual focus operation and an internal focusing design.

  • EF-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/22
  • Three Aspherical and Two UD Elements
  • SWC, Air Sphere, and Fluorine Coatings

The lens is both water and dust-resistant, and fluorine coatings have also been applied to the front and rear elements to protect against fingerprints and smudges from affecting image quality.

The EF 16-35mm f/2.8L III USM is an indispensable ultra wide-angle zoom lens for professional and enthusiast photographers who demand superlative operation and performance, in virtually any condition. Its 16-35mm focal range provides superb control of perspective, helping you capture pictures and movies with amazing, dramatic compositions limited only by your imagination. Combining outstanding image quality, a fast, constant aperture and a rugged design, the EF 16-35mm f/2.8L III USM delivers eye-catching results whether capturing detailed, nuanced landscapes, dramatic interiors and much more. Both still and moving images can be captured with consistent edge-to-edge sharpness, improved peripheral illumination and reduced distortion at extremely wide angles - especially important when using SLR cameras with full-frame sensors. Engineered with high-resolution photography and videography in mind, the EF 16-35mm f/2.8L III USM provides the optical performance necessary for critical applications, while delivering the renowned function and feel you've come to expect from Canon's celebrated L-series lenses.

Large F/2.8 Constant Aperture Provides Superb Control Over Exposure and Depth-Of-Field

The EF 16–35mm f/2.8L III USM has a bright constant maximum aperture of f/2.8, which provides superb control over depth-of-field and the ability to maintain the same aperture throughout the zoom range. This is particularly helpful when shooting outdoors at dusk or in inclement weather, or indoors in dimly lit rooms. At f/2.8, the EF 16–35mm f/2.8L III USM offers a bright view when composing images using the camera’s viewfinder.

All-new Optical Design for Significant Improvements in Outer Corner Sharpness

The EF 16–35mm f/2.8L III USM features a new optical design engineered to deliver images of remarkable clarity and depth – a magnificent complement to the large, high-resolution sensors in the SLRs favoured by today’s advanced photographers. It employs two large-diameter double-surface GMo lenses plus a ground aspherical lens to help decrease distortion, curvature of field and astigmatism. Two UD lenses help to reduce chromatic aberration, leading to precise color rendition, accurate edge-to-edge detail plus excellent contrast throughout the lens’s zoom range. This means sharp landscapes, reduced distortion in the edges of the frame and an overall improvement in image quality no matter the subject.

Sub-wavelength Coating (SWC) and Air Sphere Coating (ASC) Significantly Reduce Flare and Ghosting

The EF 16–35mm f/2.8L III USM features both Sub-wavelength Coatings (SWC) and Air Sphere Coatings (ASC) on its lens elements to help combat reflections, flare and ghosting, and deliver clean images with reduced aberrations from reflected light. Sub-wavelength Coatings help prevent reflections by arranging an array of wedge-shaped nanostructures on the lens’s surface that are smaller than the wavelength of visible light and are able to help control reflection and flare. Air Sphere Coating technology puts an ultra-low refractive layer on the lens element designed to significantly reduce both flare and ghosting. These coatings, in concert with the EF 16–35mm f/2.8L III USM’s overall optical formula, help to deliver a clean image to the camera’s sensor, which can decrease the need for post-production.

Circular 9-Blade Aperture Helps Deliver Beautiful Bokeh

Thanks to its 9-blade, circular aperture, the EF 16–35mm f/2.8L III USM is capable of gorgeous, evocative out-of-focus areas and soft backgrounds throughout its zoom range. Its f/2.8 maximum aperture enables shallow depth-of-field, which is often difficult to achieve with ultra wide-angle lenses and lenses with small maximum apertures. By delivering an incredible level of control over background blur, the EF 16–35mm f/2.8L III USM helps you define the mood of your image, creating impactful photos and videos.

Fluorine Coating Helps Reduce Fingerprints and Fingerprints

To help maintain a clean lens, even after multiple lens changes in sub-optimal conditions, the EF 16–35mm f/2.8L III USM has a specially designed non-stick fluorine coating on its front and rear surfaces. This fluorine coating helps prevent dust, water, oil and other surface residue like fingerprints from sticking to the lens, resulting in quick and easy wiping, without the use of solvents.


Focal Length
Maximum Aperture
Minimum Aperture
Barrel Type
Magnesium-Alloy Barrel
Camera Mount
Canon EF, Metal-mount
Full Time Manual Focus
Minimum Focus Distance
Internal Focus
Internal Zoom
Image Stabilisation
Filter Thread
R 53,495 Awaiting Stock
Payment plans available
Delivery Truck Free Standard shipping included. Faster options available

What's in the box

  • Canon EF 16-35mm f/2.8L III USM Lens
    • Canon E-82 II 82mm Lens Cap
    • Canon Rear Lens Cap E
    • Canon EW-88D Lens Hood
    • LP1222 Lens Pouch
  • Limited 2-Year Warranty

Reviewed by 1 customers

Best in its class - but not as good as a Prime

Show Details

I own the mk ii version of this lens and considered the mk iii as an upgrade. The 16-35mm range is a very good one to have, covering landscapes, buildings and people in groups - parties and weddings. And the f/2.8, although much more expensive than the f/4 is much better to have in dim light - which is pretty much where you need this lens. In practice, the mk iii lens is better than its predecessor, but I decided not to trade up. The mk ii is legendary for its sun-stars, which I like and has a poor trade-in value (in SA, at least - not in the USA). You can buy a mint used mk ii for less than half the price of the mk iii, so it represents extremely good value. If you have the $$$ and are prepared to pay for the extra quality, buy the 35mm f/1.4 prime. I own it and it its quality is unbeatable. If the price was a bit lower, this lens would earn 5 stars. As it stands, though, there are better Canon lenses for the money.

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