Product Description
Diffractive Optics don't end there--combined with a small Fluorite element, they permit almost total elimination of chromatic aberrations, and at the same time are able to combat spherical aberrations. Combining portability and easy handling, Image Stabilization, weather-resistant construction, superb optics and incredible AF performance, the 400mm DO IS lens is ideal for photographers who want super-telephoto power along with good lens speed in a hand holdable package.An entirely new optical technology for SLR camera lenses, Multi-Layer Diffractive Optics, makes possible a 400mm super-telephoto lens thatís about 1/3rd shorter and significantly lighter. Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras
Shipping Weight: 14 pounds
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