Canons breakthrough multi-layer diffractive optical lens technology provides photographers with superior super-telephoto performance in a smaller and lighter design with enhanced correction for chromatic aberrations. Weve also added our highly effective Image Stabilization system that gives the equivalent effect of a shutter speed two stops faster. And, its built it to our professional standards with fast AF, full-time mechanical focus and dust and water-resistant construction.

See recent price change history for the Canon EF 400mm f/4L DO IS USM.