 "Canon - EF 50mm f/1.4 USM Standard Lens Black"@en-US
"Canon EF 50mm f/1.4 USM Standard Lens: This Canon 50mm lens has an unusually large maximum aperture so you can get detailed pictures even in low light without needing a flash. It's excellent for basic portraits and scenic shots, especially at night."@en-US 
 "EF 50mm f/1.4 USM"@en "Canon EF USM | Canon Online Store"@en
"Standard & Medium Telephoto Lens"@en 
 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