EFS lens on APS C bodies Dec 7, 2006 16:32:48 GMT 8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by iboey on Dec 7, 2006 16:32:48 GMT 8 Hi guys, If i mount a EFS 17-55 lens on a APS-C body, do i get the effective 17-55 or crop factor of 1.6 ?