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Canon CY3-2051 Focusing Assembly

$129.36
Genuine Canon focusing assembly for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.

Canon CY3-2202 Fixed Sleeve

$38.17
Genuine Canon fixed sleeve assembly for the EF 17-40 4.0 L USM lenses. Made by Canon Japan. This sleeve assembly includes the  MF/AF switch FPC and the scale window.  Those parts are not available separately from Canon.

Canon Name Ring YB2-0379

$39.92
Genuine Canon front name ring for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.

Canon XA9-1354 EF Screws

$4.17
Genuine Canon screws for the EF 14 2.8 L and EF 17-40 4.0 L USM lenses and other Canon imaging products.  Package of 2 screws. Made by Canon Japan.

Canon YB2-0035 Light Shield

$7.37
Genuine Canon name ring light shield for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.

Canon YG2-2075 Power Diaphragm

$46.55
Genuine Canon power diaphragm assembly for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.

Canon YG2-2080 Front Sleeve

$83.79
Genuine Canon front sleeve assembly (filter ring) for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.

Canon YG2-2285 Main PCB

$87.44
Genuine Canon main PCB assembly for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.

Canon YH1-2032 Zoom FPC

$28.34
Genuine Canon zoom FPC for the EF 17-40 4.0 L USM lenses. Made by Canon Japan.