With its multi layer diffractive optical do element image stabilisation is and ultra sonic motor usm technologies the ef 70 300mm f45 56 do is usm is a celebration of precision optics the lens sets new standards in compact size and high image quality is technology allows razor sharp images at lower shutter speeds while rear focusing usm delivers fast silent auto focus the 70 300mm do is lens is supplied with a canon et 65b lens hood as this lens features a canon ef electro focu