Canon YB2-0889 Scale Window
Genuine Canon scale window for the EF 24-105 4.0 L IS USM lenses. Made by Canon Japan.
New tape is recommended when installing this window, available here.
Canon CY3-2146 Rear Barrel
Genuine Canon rear barrel assembly for the EF 24-105 4.0 L IS USM lenses. We stock the most common sizes and can special order sizes not in stock. Made by Canon Japan.
Use chart below to measure your rear barrel then choose from the sizes available.
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This product has multiple variants. The options may be chosen on the product page
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 YA2-2063 Guide Collar
Genuine Canon guide collars for the EF 24-105 4.0 L IS USM, and EF 70-200 2.8L IS USM lenses. Package of 1 guide collar. Made by Canon Japan. Sizes 3.98 and 4.02 have been discontinued.
Use table below for measurements of the collar sizes.
Use option to select from collar sizes available.
Use option to select from collar sizes available.
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This product has multiple variants. The options may be chosen on the product page
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
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This product has multiple variants. The options may be chosen on the product page
