Canon LENS 17-40/4 L USM

Capture striking architecture and expansive landscapes with this ultra-wide-angle L-series lens. Shoot hand-held and in low light conditions with a fixed aperture of f/4. Get closer to your subjects with 0.28 m focusing distance through the entire zoom range. Ensure accurate colour balance and enhance contrast along with reduced ghosting and flare with Super Spectra coating. Produce sharp, high-contrast images with Super UD (ultra-low dispersion) elements to suppress chromatic aberrations. Be prepared for split-second moments with a fast, responsive Auto Focus with Ultra-Sonic Motor (USM). Use specialised filters, such as polarisers and graduates with ease thanks to the non-rotating lens. Compatible with all DSLR cameras including full frame and EOS M mirrorless with an EF-EOS M Mount adapter. The EF 17-40mm f/4L USM Lens is an ultra-wide-angle lens producing stunning clarity in a range of focal lengths. Its compact, lightweight body makes it an ideal travel companion - suited to interiors, architecture and landscapes, fitting more in the frame without the need to step back. Produce consistent exposures with the large f/4 aperture over the 17-40 mm zoom range and create softer background blur with a 7-blade circular aperture diaphragm. Part of the Canon professional L-series flagship range, its designed for robust handling and resistant to dust and moisture.. Lens system. Minimum aperture number. 4. Closest focusing distance. 0.28 m. Maximum aperture number. 22. Number of diaphragm blades. 7. Lens mount interface. Canon EF. Focal length range. 17 - 40 mm. Lens viewing angle, diagonal. 104 - 57.5°. Lens type. Wide zoom lens. Lens structure (elements/groups). 12/9. Component for. SLR. Performance. Auto focus. Yes. Manual focus. Yes. AF actuator. USM. Design. Product colour. Black. Weight & dimensions. Weight. 500 g. Length. 96.8 mm. Filter size. 77 mm. Diameter. 8.35 cm. Other features. Magnification. 0.24x

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