Canon YB2-0323 Guide Collar
Canon YB2-0889 Scale Window
Genuine Canon scale window for the EF 24-105 4.0 L IS USM lenses. Made by Canon Japan.
New tape is recommended when installing this window, available here.
Canon XA9-1517 EF Lens Screws
Canon Parts, Cameras - Digital Powershot, Cameras - Digital SLR, Parts, EF EF-S Lenses, Screws - Genuine Canon
Genuine Canon XA9-1517-000 screws for EF, and EF-S lenses. See part lists for specific applications for these and other Canon imaging products. Package of 2 screws. Made by Canon Japan.