Yongnuo AF 100mm f2 Telephoto Prime Lens for Canon

Yongnuo 100mm F2.0 looks pretty much exactly like Canon's EF 100mm f/2 USM but at a much lower price. Both feature eight elements, have a maximum magnification of 0.14x and an aperture range of F2 to F22. The Yongnuo lens arranges its elements in five groups while Canon's own model uses eight in six. Canon's EF 100mm F2 USM also has eight blades in its iris, against the nine in the Yongnuo version. 

• Aperture Range: f/2 - f/22
• Number of Blades: 9
• Focus Mode: AF, MF
• Maximum Magnification: 0.140x
• Focal Length: 100mm
• Full Frame: Yes
• Filter Size: 58mm
• Dimensions: 3 x 4.8" (76.6 x 122mm)
• Weight: 1.1 lbs (500g)