ef 50mm f 1 4 usm canon online store
standard medium telephoto lens
focal length maximum aperture 50mm 1 1 4 lens construction 7 elements in 6 groups diagonal angle of view 46 focus adjustment overall linear extension system with usm closest focusing distance 0 45m 1 5 ft filter size 58mm max diameter x length weight 2 9 x 2 0 10 2 oz 73 8 x 50 5mm 290g
{'focal length maximum aperture': '50mm 1 1 4', 'lens construction': '7 elements in 6 groups', 'diagonal angle of view': '46', 'focus adjustment': 'overall linear extension system with usm', 'closest focusing distance': '0 45m 1 5 ft', 'filter size': '58mm', 'max diameter x length weight': '2 9 x 2 0 10 2 oz 73 8 x 50 5mm 290g'}