Canon YA2-3463 Rubber Ring
USCamera premium Import rubber mount ring for the many Canon lenses including the EF 1.4X II, EF 2X II, EF 14 2.8 L II, EF 16-35 2.8 L USM, EF 16-35 2.8 L II USM, EF 17-40 4.0 L USM, EF 24-70 2.8 L USM, EF 24-105 4.0 L IS USM, EF 28-300 3.5-5.6 L IS USM, EF 70-200 2.8 L IS USM, EF 70-200 2.8 L IS II USM, EF 70-200 4.0 L USM, EF 70-200 4.0 L IS USM, EF 300 2.8 L IS USM and many others. Amazing quality. Made by USCamera China.
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Canon EF Screw CB2-0397
Canon CA2-4585 EF Screws
Canon XA1-7260-559 EF-EF-S Screws
Canon YA2-0929 EF Screws
Genuine Canon collar retaining screws for the collar used in the EF 70-200 2.8 L USM, EF 70-200 2.8 L IS USM, and the EF 70-200 2.8 L IS II USM lenses.  Package of 1 screw. Made by Canon Japan.
The collar used with this screw is in stock here.
Canon XA1-7200-606 EF-EF-S Screws
Canon YB2-0323 Guide Collar
Canon YH1-2401 EF-S Focus FPC
Canon YG2-2062-100 Power Diaphragm Flex
Canon YA2-2082 Stainless Collar
Genuine Canon stainless steel collar for the EF 70-200 2.8 L USM, EF 70-200 2.8 L IS USM, and the EF 70-200 2.8 L IS II USM lenses. Package of 1 collar. Made by Canon Japan. Need the screw used with this collar?
Canon XA1-7200-706 EF Screws
Canon CB3-2112 EOS Screws
Canon YB2-3788 Lens Collar
Canon YG2-2189 Power Diaphragm
Genuine Canon power diaphragm assembly for the EF 24-105 4.0 L IS USM lenses. Made by Canon Japan. Please note. Many times the power diaphragm is fine, just the FPC Flexible Printed Circuit) has broken connections. Get the diaphragm FPCÂ here.
Canon YB2-1242 Decentering Collar
Canon X96-1723-020 EF Screws
Canon XA1-7200-456 EF EF-S Screws
Canon CA2-4586 EF Screws
Genuine Canon lens contact retaining screws for over 100 of Canon EF, EF-M, EF-S, RF lens products including the EF 14 2.8L, EF 20 2.8 USM, EF 24 1.4L II USM, EF 28 2.8, 35 1.4L II USM, EF 50 1.2L USM, EF 50 1.4 USM, EF 85 1.2L II USM, EF 100 2.8 Macro, EF 16-35 2.8 L II USM, EF 70-200 2.8 L USM lenses, EF 200 2.8L USM, EF 200 2.8 L IS USM, EF 400 2.8 L, EF 400 2.8 L II IS USM, EF-M 18-55 3.5-5.6 IS STM, RF 28-70 2.0L USM and many others. Package of 2 screws. Made by Canon Japan.