Canon YG2-2080 Front Sleeve
Canon CG2-0353 Power Diaphragm
Canon YF2-2257 Lens Mount
Canon CY3-2217 Lens Mount
Canon YG2-2189 Power Diaphragm
Genuine Canon power diaphragm assembly for the EF 24-105 4.0 L IS USM lenses. Made by Canon Japan. Please note. Many times the power diaphragm is fine, just the FPC Flexible Printed Circuit) has broken connections. Get the diaphragm FPCÂ here.