 "Canon lens - 50mm" " Canon 50mm 2515A003 Camera & Camcorder Lenses CDW.com
"Canon offers this standard lens featuring superb quality and portability. Two high-refraction lens elements and new Gaussian optics eliminate astigmatism and suppress astigmatic difference. Crisp images with little flare are obtained even at the maximum aperture." 
 "EF 70-200mm f/2.8L IS II USM"@en "Canon EF USM | Canon Online Store"@en
"Telephoto Zoom Lens"@en 