CY3-2165-010 SUPPORTO REARLENS PER CANON EF 16-35MM F2.8L II USM & EF 17-40MM NUOVO
REAR LENS MOUNT FOR CANON EF 16-35MM F2.8L II USM/ EF 17-40MM F4.0 L USM LENS. CANON EF 16-35MM F2.8L II USM/ EF 17-40MM F4.0 L USM. REAR LENS MOUNT STEEL. PART NUMBER.