Sigma 17-40mm F1.8 DC Art Lens – Canon RF Mount SHARK 4 aperture for a bright

4 aperture for a bright image plus versatile depth-of-field control for optimal highlights

3 MP for up to 164 Frames (Raw) / 947 Frames (JPEG)

enabling a broader dynamic range directly on HDR-enabled devices

based on the data of images captured under the water

5") Optical Tube Diameter: 95

Sigma 17-40mm F1.8 DC Art Lens – Canon RF Mount SHARK 4 aperture for a brightSigma 17 40mm F1. 8 DC Art Lens Canon RF Mount APS C f 1. 8 to f 16 25. 5 to 60mm (Full Frame Equivalent) Superfast Wide to Normal Zoom HLA Autofocus 11" Minimum Focus Distance Control Ring SLD and Aspherical Elements Water and Oil Repellent Coating Dust & Splash Resistant Construction 67mm Filter Diameter The Sigma 17 40mm F1. 8 DC Art revolutionises crop sensor photography with unprecedented F1. 8 performance across the entire zoom range. Building