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Black cylindrical zoom lens with red ring, wide front element and textured focus ring

Canon

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

SKU CH-421B-9Q59R

Full-frame wide-angle zoom with constant f/2.8 aperture, 16-35mm range, and dust-resistant build

  • Product typeZoom Lens
  • Compatible withDSLR Camera
  • Constant f/2.8 aperture across 16-35mm zoom
  • Three aspherical plus two UD elements reduce aberrations
  • Subwavelength and Air Sphere coatings cut flare and ghosting
  • Ring-type USM delivers fast AF with full-time manual override
  • Fluorine coating and dust- and water-resistant construction protect optics

Professional Wide-Angle Zoom

The Canon EF 16-35mm f/2.8L III USM is a constant-aperture zoom built for full-frame DSLR cameras. It covers a 16-35mm focal range with a bright f/2.8 maximum aperture throughout. The optical design uses 16 elements in 11 groups including three aspherical and two UD elements. Subwavelength, Air Sphere and fluorine coatings reduce flare and protect the front and rear surfaces.

Landscape and Event Shooters

Photographers who need a wide, fast zoom for architecture, interiors or reportage will benefit from the constant f/2.8 aperture and 108° angle of view at 16mm. The dust- and water-resistant barrel suits outdoor work. Buyers who want more reach beyond 35mm or a lighter variable-aperture alternative should look at something else. APS-C users gain a 25.6-56mm equivalent range.

EF-Mount System Integration

The lens mounts directly to any Canon EF-mount DSLR body without adapters. Internal focusing keeps the barrel length constant during zooming and focusing. A ring-type ultrasonic motor drives fast, quiet autofocus with full-time manual override. The rounded 9-blade diaphragm produces smooth background blur. Fluorine coating on exposed elements eases cleaning in the field.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $2,049.99
Pricier than about 90% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameCanon International
Model nameNot Available
Product typeZoom Lens
Compatibility
Compatible withDSLR Camera

Questions about this item

What camera mount does the Canon EF 16-35mm f/2.8L III USM require to function?

It requires a Canon EF mount on a digital SLR body; it also works on APS-C models where the 16-35mm range becomes 25.6-56mm equivalent.

Will the lens maintain its f/2.8 maximum aperture when used on an APS-C DSLR instead of a full-frame body?

Yes, the f/2.8 maximum aperture stays constant across the zoom range on both full-frame and APS-C EF-mount cameras.

How can I confirm the lens is focusing correctly after mounting it?

The ring-type ultrasonic motor drives fast, quiet autofocus with full-time manual override; turn the focus ring during AF to verify smooth manual correction.

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