Canon Ef 17 40mm F4l Usm Digital Slr Camera Cameras Toronto Canada Store Aden

for purchase inquires please call 416 977 9711 or email us at info adencamera com an affordable l series ultra wide angle zoom lens that s ideal for both film and digital slrs superior optics are assured by the use of three aspherical lens elements in addition to a super ud ultra low dispersion glass element optical coatings are optimized for use with digital cameras this lens focuses as close as 11 inches 0 28m and offers both canon s full time manual focus and a powerful ring type usm for fast and silent af it has a constant f 4 maximum aperture and offers the choice of screw in 77mm filters or a holder in the rear of the lens for up to three gel filters finally it offers weather resistant construction similar to other high end l series lenses main features focal length maximum aperture 17 40mm 1 4 lens construction 12 elements in 9 groups focus adjustment inner focusing system with usm closest focusing distance 0 28m 0 9 ft zoom system rotating type filter size 77mm max diameter x length weight 3 3 x 3 8 1 1 lbs 83 5mm x 96 8mm 500g aperture range f 4 22 three aspherical elements one super ud ultrasonic autofocus motor manual focus override water and dust resistant internal zooming and focusing truly circular diaphragm rear holder for three gel filters authorized canon canada pro dealer 1 year canon international canon and usa warranty