Pooja+deol+sunny+deol+wifechrfrMar 28, 02:10 PMSo, you WILL get different focal lengths from 2 identically marked lenses where one is an EF-S lens and the other is an EF lens. No you will not. Edit: to clarify, if you take an EF 17-40mm and put it on a 60D, you will get the exact same field of view as an EF-S 17-55mm if both are set to 17mm. his son: Bobby Deol. SunnymrwheetNov 18, 10:21 AMThat