 "EF 50mm f/1.8 II"@en "Canon EF II | Canon Online Store"@en
"Standard & Medium Telephoto Lens"@en 
 Focal Length & Maximum Aperture 50mm 1:1.8 Lens Construction 6 elements in 5 groups Diagonal Angle of View 46° Focus Adjustment Overall linear extension system with Micromotor Closest Focusing Distance 0.45m / 1.5 ft. Filter Size 52mm Max. Diameter x Length, Weight 2.7" x 1.6", 4.6 oz. / 68.2 x 41.0mm, 130g
 "Canon EF wide-angle lens - 20 mm" " Canon mm 2509A003 Camera & Camcorder Lenses CDW.com
"This ultra-wide-angle lens is ideal for serious applications. It is easy to hold and carry at 14.3 oz. (405g). It features floating rear focusing system. Sharp images are obtained at all subject distances." 