• RF-Mount Lens/Full-Frame Format
• Aperture Range: f/2.8 to f/22
• Three Aspherical Elements
• Two Ultra-Low Dispersion Elements
• Air-Sphere and Fluorine Coatings
• Nano USM AF System
• Optical Image Stabilizer
• Customizable Control Ring
• Rounded 9-Blade Diaphragm

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Covering a versatile wide-angle focal length range, theRF 15-35mm f/2.8L IS USMfromCanonis also characterized by its bright f/2.8 constant maximum aperture.

This bright design enables working in available light conditions and also affords greater control over depth of field.

The range of wide focal lengths suits working in a variety of situations, from landscape to documentary shooting, and this zoom is complemented by an advanced optical design that greatly reduces color fringing and distortion for high clarity and sharpness.

An Air-Sphere coating has also been applied to reduce flare and ghosting for improved contrast and color fidelity when working in bright conditions.

Complementing the imaging capabilities is an apt Nano USM focus system, which delivers fast, nearly silent autofocus performance with full-time manual focus override.

An Image Stabilizer also compensates for up to five stops of camera shake to help produce sharper handheld shots in difficult lighting conditions.

A unique Control Ring is also integrated into the lens design for intuitive control over exposure settings from the lens itself. Additionally, this 15-35mm is weather-sealed and has a fluorine coating to protect the front and rear elements.

• Wide-angle zoom lens is designed for use with full-frame Canon RF-mount mirrorless cameras.
• Constant f/2.8 maximum aperture maintains consistent illumination throughout the zoom range and suits working in available light conditions.
• Two UD (Ultra-Low Dispersion) elements help to minimize chromatic aberrations and color fringing in order to provide greater clarity and color accuracy.
• Three aspherical elements are used to correct spherical aberrations and distortion for improved sharpness and accurate rendering.
• An Air-Sphere Coating (ASC) has been applied to lens elements to reduce backlit flaring and ghosting for maintained light transmission and high contrast in strong lighting conditions.
• An Optical Image Stabilizer helps to minimize the appearance of camera shake by five stops to better enable working in low-light conditions and with slower shutter speeds.
• Nano USM system utilizes both a ring type USM and an STM mechanism to realize quick and accurate focusing that is also smooth and nearly silent to suit both photography and video applications.

  This focusing system also affords full-time manual focus control when working in the one-shot AF mode.

• Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation.
• Protective fluorine coating has been applied to the front and rear element to resist fingerprints and smudges and to make cleaning these elements significantly easier.
• As a member of the esteemed L-series, this lens has a weather-resistant design that protects against dust and moisture to enable its use in inclement conditions.
• Rounded nine-blade diaphragm contributes to a pleasing bokeh quality.

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