Canon CA2-4583 EF Contact
Genuine Canon EF lens contact assembly fits EF Extender 1.4X / 1.4X II, EF Extender 2X / 2X II, EF 14 2.8 L , EF 14 2.8 L II USM, EF 15 2.8, EF 20 2.8 USM, EF 24 2.8, EF 24 1.4 L USM, EF 24 1.4 L II USM, EF 28 1.8 USM, EF 28 2.8, EF 35 1.4 L USM, EF 35 2.0, EF 50 1.4 USM, EF 100 2.0, EF 100 2.8 Macro, EF 100 2.8 Macro USM, EF 100 2.8 L Macro IS USM, EF 28-105 3.5-4.5 USM, EF 28-135 4-5.6 USM, EF 35-350 3.5-5.6 L USM, EF 70-210 3.5-4.5 USM, EF 70-300 4-5.6 IS USM, EF 70-300 4.5-5.6 IS USM, EF 70-300 4.5-5.6 DO IS USM, EF 80-200 2.8 L, EF 100-300 5.6, EF 100-300 5.6 L, EF 100-300 4.5-5.6 Ultrasonic and many more. Made by Canon Japan.
Canon XA1-6200-809 EF-EOS Screws
Canon CB5-3394 EF-EOS Screws
Canon CB5-3951 EF-EOS Screws
Canon YB2-1242 Decentering Collar
Genuine Canon decentering collar for the EF 70-200 4 L IS USM lenses. Made by Canon Japan. Package of 1 collar. The guide below shows where to measure the collars in your lens so you receive the correct size.
Use option to choose from available sizes.

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This product has multiple variants. The options may be chosen on the product page
Canon CB3-7544 BLC Window
Genuine Canon replacement top cover BLC window for the EOS 1Dx MK II digital camera. Made by Canon Japan.
New tape is recommended when installing this window, available here.