Pentax PK AF-MF Rear Lens Cap
Canon CY2-4220 Flash Shoe
Canon CA1-4727 Film Sprocket
Canon YB2-1396 Gear 5
Canon YG2-2169 Power Diaphragm
Genuine Canon power diaphragm assembly for the EF-S 17-85 4-5.6 IS USM lenses. Made by Canon Japan. Please note. Many times the power diaphragm unit is fine, just the FPC has broken connections. We sell the power diaphragm FPC separately, here.