 "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
 "Canon - EF 24-70mm f/2.8L II USM Standard Zoom Lens Black"@en-US
"Canon EF 24–70mm f/2.8L II USM Standard Zoom Lens: Built to handle the demands of professional use, this lens is durable as well as dust- and water-resistant. Fluorine coatings on the front and rear surfaces keep smudges and fingerprints to a minimum."@en-US 