Canon YA2-8001 EF Screws
Canon YB2-0033 Zoom Collar
Genuine Canon Zoom Collar for the EF 16-35 2.8 L USM, EF 16-35 2.8 L II USM, and EF 17-40 4.0 L USM lenses. Package of 1 collar. Made by Canon Japan. The screws used to retain this collar are in stock here.
Canon YB2-0943-399 Guide Collar
Canon YB2-1080 Distance Window
Canon YB2-1233 Scale Window
Genuine Canon focus scale window for the EF 70-200 4.0 L IS USM lens. Sold as pictured. Made by Canon Japan. New double-sided tape is recommended when installing this window, go here.
Canon YB2-1248 Shaft Screws
Canon YB2-2090 Scale Window
Genuine Canon scale window for the EF 70-200 2.8 L II IS USM lenses. Made by Canon Japan. We recommend using new tape when installing this window, available here.