Canon EF 17-40mm f/4L USM Ultra-Wide-Angle Zoom Lens 8806A001

Canon EF 17-40mm f/4L USM

The EF 17-40mm f/4L USM is an ultra-wide-angle zoom lens known for its exceptional image quality and consistent maximum aperture. Its compact design makes it perfect for travel.

Advantages

• Outstanding optical performance across the zoom range
• Quick autofocus
• Highly resistant to dust and moisture
• 28 cm minimum focusing distance at all focal lengths

Key Features

Ultra Wide Angle

This lens provides ultra-wide-angle zoom for full-frame cameras and acts as a standard zoom for APS-C DSLRs, equivalent to a 28-70mm lens.

Close Focus

Minimum focusing distance is just 28 cm throughout the zoom range.

Optical Performance

With 12 lens elements in nine groups, the Super Spectra coating ensures excellent color balance and minimizes ghosting. Three aspherical elements and Super UD glass enhance image quality.

Ultrasonic Focusing

The ring-type ultrasonic motor enables fast, silent autofocus, with manual focus adjustment available without exiting AF mode.

Non-Rotating Front Element

The front element remains stationary, facilitating the use of filters. A gelatin filter holder is included at the rear.

Smooth Background Blur

The nearly circular aperture creates soft, pleasing out-of-focus areas, enhancing foreground subjects.

Weather Resistant

Designed to withstand harsh conditions, the lens is dust and moisture resistant, made with eco-friendly lead-free glass.