Canon EF 16-35mm f/4L IS USM Lens

Canon EF 16-35mm f/4L IS USM Lens
Premium L-Series Ultra-Wide Zoom – Professional Landscape & Architecture Optic
The Canon EF 16-35mm f/4L IS USM is a professional L-series ultra-wide-angle zoom lens engineered for full-frame Canon EF-mount DSLRs and highly favored for adaptation to modern mirrorless systems. Delivering a flexible and dramatic wide perspective, this lens is a premier choice for landscapes, architectural photography, interiors, and photojournalism.

Characterized by its constant f/4 maximum aperture, it maintains a consistent exposure profile across the entire zoom range. As a member of Canon’s luxury L-series, it features a highly sophisticated optical design utilizing specialized low-dispersion and aspherical glass to ensure absolute corner-to-corner sharpness. Equipped with a robust, weather-sealed chassis, a powerful 4-stop Optical Image Stabilizer, and a ring-type Ultrasonic Motor (USM), it provides the rock-steady, high-speed performance required by demanding professionals in the field.

Key Features & Professional Optical Systems
Constant f/4 Maximum Aperture: Maintains uniform illumination and exposure settings throughout the entire zoom range, allowing you to alter focal lengths without sacrificing manual exposure control.

Elite L-Series Glass Architecture: Features three aspherical glass elements to aggressively control geometric distortion and spherical aberrations, alongside two Ultra-Low Dispersion (UD) elements to eliminate color fringing and chromatic aberrations for maximum clarity.

4-Stop Optical Image Stabilization: Built-in mechanical image stabilization counteracts handheld camera shake by up to four shutter stops, drastically expanding your ability to capture sharp, blur-free imagery in low-light environments or when shooting without a tripod.

Ring-Type USM Autofocus Drive: A powerful ring-type Ultrasonic Motor (USM) combines with an internal focusing mechanism to deliver lightning-fast, ultra-precise, and near-silent autofocus tracking, complete with full-time manual focus override.

Super Spectra Coatings: Individual lens elements feature multi-layer Super Spectra coatings to suppress internal reflections, lens flare, and ghosting, maintaining rich color fidelity and deep frame contrast when working under harsh backlighting.

Weather-Sealed Professional Chassis: Engineered to endure rigorous outdoor deployment, the dust- and moisture-resistant structure is augmented by protective fluorine coatings on the front and rear elements to repel fingerprints, moisture, and smudges.

9-Blade Rounded Diaphragm: Built with a rounded nine-blade aperture array that produces a smooth, natural, and pleasing bokeh quality when utilizing selective focus techniques.

Technical Specifications
Lens Classification: Canon L-Series Professional Ultra-Wide Zoom

Lens Mount Type: Canon EF Mount (Full-Frame & APS-C DSLR Compatible)

Focal Length Range: 16-35mm (35mm Equivalent on APS-C: 25.6-56mm)

Maximum Aperture: f/4 (Constant)

Minimum Aperture: f/22

Optical Construction: 16 Elements in 12 Groups (2 UD Elements, 3 Aspherical Elements)

Image Stabilization: 4-Stop Optical IS Mechanism

Autofocus Motor System: Ring-Type Ultrasonic Motor (USM)

Minimum Focus Distance: 11.02 inches / 28 cm

Maximum Magnification Scale: 0.23x

Aperture Diaphragm: 9-Blade Rounded Design

Filter Thread Interface: 77 mm

Dimensions (Diameter x Length): Approx. 3.25 x 4.44 inches / 82.6 x 112.8 mm

Weight: Approx. 21.7 oz / 615 g