Canon CY1-2835 AM Switch
Canon CY1-2837 Fixed Barrel
Canon CY1-4292 Lock Unit
Genuine Canon hood lock unit for the EF 300 2.8 L IS USM, EF 400 2.8 L IS USM, EF 600 4.0L IS USM lens hoods ET-120. ET-155, and ET-160. Package of 1 lock unit. Made by Canon Japan. If you need the screws that retain the hood lock unit to the lens hood, go here. International customers need to select USPS Priority Mail as your shipping choice as that will guarantee delivery. Contact us if you have questions. Need just the retaining washer for this lock knob?
Canon CY1-4292 Lock Unit “E” Clip
USCamera "E" clip for the hood lock unit shaft for the ET-120, ET-138, ET-155, and ET-160 hoods. Package of 2 clips. Made in Japan. If you need the screws that retain the hood lock unit on the lens hood, go here. Need a complete new lock unit?
Canon CY2-1074 Speedlite Screws
Canon CY3-2003 A/M Switch-Panel
Canon CY3-2004 Scale Window
Genuine Canon replacement scale window for the EF 16-35 2.8 L USM and EF 16-35 2.8 L II USM lenses. Made by Canon China. New tape is recommended when installing this window, available here.
Canon CY3-2006 Switch-Panel Tape
Canon CY3-2030 Rear Sleeve
Genuine Canon replacement rear sleeve assembly for the EF 24- 70 2.8 L USM lenses. Canon stopped supplying the lens mounts in various thicknesses and now supplies the rear sleeve assembly that way. This sleeve assembly can be damaged if the lens is impacted or crushed. Several sizes of this sleeve are available.  The most popular is 2.30mm and the next is 2.60mm. We stock the most common sizes and backorder the rest. Most backorders ship within 3 days after your order is placed.
More information concerning the rear sleeve measurements is listed in the Canon update bulletin here, ef2470 SM Correction
