Sigma 100-400mm f/5-6.3 DG OS HSM I C (Contemporary) Super Telephoto Lens - Canon Fit Sigma 3 Years Lens Warranty - Activated when camera/lens is registered on the Sigma website. https://www.sigma-imaging-uk.com/ SIGMA 100-400mm f/5-6.3 DG OS HSM I C (Contemporary) super telephoto lens Canon fit Depth: 122 MM Compact packaging with uncompromising image quality Telephoto plus macro functionality Exclusive low-dispersion glass Designed to minimize flare and ghosting All-new optical stabilizer (OS) unit with exclusive algorithm Push/pull zoom mechanism incorporated Rounded diaphragm Smoother AF operation High-precision, rugged brass bayonet mount Dust-proof and splash-proof mount. Height: 182 MM Width: 86 MM