Canon 166A Battery Cover
Canon C21-8462 Parts Catalog
Digital presentation of a genuine Canon EF 300 2.8 L IS II USM parts list and exploded views. Download available immediately after payment is accepted. 2 download limit for the file(s) purchased never expires.
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14-page PDF 8.31 MB
Canon C21-8462 Parts Catalog
Canon CB2-0075-402 Focusing Collar
Canon CB2-0084 Zoom Brush
Canon CG2-0353 Power Diaphragm
Canon CY1-2178 Mount Washer
Use the option to select from available sizes.
Canon CY1-2180 Lens Mount
Genuine Canon lens mount for the EF 35 1.8, EF 35 1.4 L USM, EF 50 1.4 USM, EF 85 1.8 USM, EF 100 2.8, EF 70-210 3.5-4.5 Ultrasonic, 70-300 4.5-5.6 DO IS USM, EF 75-300 4-5.6 USM, EF 75-300 4-5.6 IS USM, EF 75-300 4-5.6 II, EF 75-300 4-5.6 II USM, EF 75-300 4-5.6 III USM, EF 75-300 4-5.6 III (DC), EF-S 18-135 3.5-5.6 IS, and the EF-S 18-200 3.5-5.6 IS lenses. Made by Canon Japan.
See the detail chart below for the proper place to measure the mount on your lens. Then pick from the sizes available.
Please Note. We stock the most common mounts, 2.10, 2.70, and can order other sizes available.
Canon CY1-2428 Lens Mount
Genuine Canon lens mount for the EF 70-200 4.0 L USM, EF 100-400 4.5-5.6 L IS USM, and other EF lenses. Made by Canon Japan.
See the detail chart below for the proper place to measure your lens mount. Then choose from the most popular sizes.
We stock the most requested mounts 2.10, and 2.60. We can order other sizes available.
Canon CY1-2453 Lens Group
Canon CY1-2809 IS-Lens Unit
Canon CY3-2003 A/M Switch-Panel
Canon CY3-2004 Scale Window
Genuine Canon replacement scale window for the EF 16-35 2.8 L USM and EF 16-35 2.8 L II USM lenses. Made by Canon China. New tape is recommended when installing this window, available here.
Canon CY3-2006 Switch-Panel Tape
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
