ef 20mm f 2 8 usm canon online store
wide angle lens
focal length maximum aperture 20mm 1 2 8 lens construction 11 elements in 9 groups diagonal angle of view 94 focus adjustment rear focusing system with usm closest focusing distance 0 25m 0 8 ft filter size 72mm max diameter x length weight 3 1 x 2 8 14 3 oz 77 5 x 70 6mm 405g
{'focal length maximum aperture': '20mm 1 2 8', 'lens construction': '11 elements in 9 groups', 'diagonal angle of view': '94', 'focus adjustment': 'rear focusing system with usm', 'closest focusing distance': '0 25m 0 8 ft', 'filter size': '72mm', 'max diameter x length weight': '3 1 x 2 8 14 3 oz 77 5 x 70 6mm 405g'}