 "Canon EF 40mm f/2.8 STM Pancake Lens"@en
"Canon EF 40mm f/2.8 STM Pancake Lens"@en 
 Lens Mount: Canon EF Focal Length: 40mm Maximum Aperture: f/2.8 Diagonal Angle of View: 57°30' Maximum Magnification: 1x Minimum Focus Distance: 0.98 in. (0.3m) Lens Construction: 6 elements / 4 groups Diaphragm Blades: 7 Focus Type: Auto / Manual Image Stabilization: None Filter Size: 52mm Dimensions (Diam. x Length): 2.7 x 0.9 in. (68.2 x 22.8mm) Weight: 4.6 oz. (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." 