canon ef 70-300mm f 4-5 .6 l is usm ud telephoto zoom lens for canon eos slr cameras
designed to deliver ultra-high quality images along with lightning fast operation the new canon ef 70-300 f 4-5 .6 l is usm telephoto zoom lens brings a favorite zoom range to the celebrated canon l-series of lenses . it features two ultra low dispersion ud elements for improved image quality and reduced chromatic aberration incorporates a floating focusing mechanism for sharpness from close up to infinity plus an is system that increases usability by approximately four stops . the ef 70-300 f 4-5 .6 l is usm features a function that prevents erroneous operation when the lens is mounted on a tripod or monopod . gleaming white with a removable tripod collar dust and water resistant construction and a newly developed fluorine coating that keeps soiling smears and fingerprints to a minimum its phenomenal performance and flexibility is assured . for portraiture or to bring what s far away up close this addition to the l-series is guaranteed to perform . technical specifications focal length amp maximum aperture 70-300mm 1 4-5 .6 diagonal angle of view 34 - 8 15 focus adjustment lens extension via inner focusing and focus cam plus floating mechanism closest focusing distance 1.2 m 3.9 ft drive system ring usm filter size 67 mm dia . p 0.75 mm 1 filter max . diameter x length weight 3.5 x 5.6 in 2.31 lbs . 89 x 143mm 1050g