canon ef 100mm f2 8 macro usm digital slr camera cameras toronto canada store aden
autofocus lens for macro photography up to life size 1x magnification inner focusing affords a long working distance of 5 9in 149mm at 1x a 3 group floating system results in excellent delineation at all focusing distances ring usm for silent and high speed af and full time manual focusing also provided the optional tripod mount ring b b with adapter enables the lens to be rotated for vertical or horizontal framing it has high performance ring type ultrasonic motor that provides fast and silent af throughout its focus range and full time manual focusing permits the close up or macro shooter to instantly override the af whenever necessary a 3 group floating system results in excellent delineation at all focusing distances and a focus range limiter function enables faster autofocus times within one of two appropriate ranges main features ef mount lens aperture range f 2 8 32 macro focus at 1 1 reproduction ratio three group floating lens system ultrasonic autofocus motor inner focusing system focusing range limiter manual focus override minimum focus distance 1 optional detachable tripod collar focal length maximum aperture 100mm 1 2 8 lens construction 12 elements in 8 groups diagonal angle of view 24deg focus adjustment inner focusing system with usm closest focusing distance 0 31m 1ft film plane to subject filter size 58mm max diameter x length weight 3 1 x 4 7 21 1 oz 79 0 x 119 0mm 600g authorized canon canada pro dealer 1 year canon international canada and usa warranty