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Canon YA2-3476 Tripod Collar

Genuine Canon tripod collar guide roller for the EF 300 2.8 L IS USM lenses. This part has been discontinued. Made by Canon Japan. If you need the retaining screw for this collar, go here.

Canon XA9-1047 EF Screws

Genuine Canon shoulder screws for the EF 300 2.8 L IS USM and EF 400 4.0 DO IS USM lenses and other Canon imaging products.  Package of 1 screw. Made by Canon Japan.  This screw was made for this tripod collar guide roller.

Canon CY1-2837 Fixed Barrel

Genuine Canon fixed barrel assembly for the EF 100-400 4.5-5.6 L IS USM lenses. Made by Canon Japan. This part was discontinued in 2021.

Canon CY1-2833 Focus Ring

Genuine Canon focus ring unit for the EF 100-400 4.5-5.6 L IS USM lenses. Made by Canon Japan. This part has been discontinued without a replacement.

Canon YG2-0214 Power Diaphragm

Genuine Canon power diaphragm assembly for the EF 70-200 2.8 L USM lenses. Made by Canon Japan.

Canon YA2-4731 Scale Window

Genuine Canon scale window for the EF 70-200 2.8 L IS USM lenses.  New tape is recommended when installing this window, available here. This window is out of stock and was discontinued in May 2019.

Canon YG2-0453 USM Motor

$0.00
Genuine Canon USM motor assembly for the EF 50 1.4 USM lenses. This part number is out of stock and has been discontinued by Canon. Replaced by a new part number here.

Canon YG2-2031 Power Diaphragm

Genuine Canon power diaphragm assembly for the EF 28-105 4-5.6 USM lenses. Made by canon Japan. This part was discontinued in June 2014.  We have no other source at this time.

Canon YB2-0310 Focusing Scale

Genuine Canon focusing scale for the EF 24-70 2.8 L USM lenses. Made by Canon Japan.

Canon YG2-2062 Power Diaphragm

Genuine Canon power diaphragm assembly for the EF 24-70 2.8 L USM lenses. Made by Canon Japan. Unfortunately, this part has been discontinued and is no longer available. TechNote. Many times the issue you may have with your lens points to the power diaphragm unit, when actually the FPC (flexible printed circuit) has broken and needs replacement. In stock here.

Canon CY3-2040 Scale Window

Genuine Canon scale window for the EF 24-70 2.8 L USM lenses.  Made by Canon Japan.   This part is out of stock and has been discontinued by Canon with no replacement.

Canon CY3-2039 Scale Window-Tape

Genuine Canon scale window tape for the EF 24-70 2.8 L USM lenses. Made by Canon Japan.   This part is out of stock and has been discontinued by Canon with no replacement.