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 select from the sizes available.

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This product has multiple variants. The options may be chosen on the product page
Canon CG2-4008 Battery Box
Genuine Canon battery box, DC-DC PCB assembly for the EOS Rebel T4i, and the EOS 650D. This part has been discontinued without a replacement. Made by Canon Japan.
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This product has multiple variants. The options may be chosen on the product page
Canon CG2-2327 Front Cover
Manfrotto R1032,998 ASM Spreader
Canon YG2-0363 DC-DC PCB
Canon HF10 HG10 Vixia HV30 LCD Monitor Assy WG2-5306
Canon CG2-1378 Rear Cover
Canon EF Lens Mount CY3-2165
Genuine Canon lens mount with serial number. Fits the EF 14 2.8 L II USM, EF 50 1.2 L USM, EF 16-35 2.8 L USM, EF 16-35 2.8 L USM II, EF 17 - 35 2.8 L USM, EF 24-70 2.8 L USM, EF 24-105 4.0 L IS USM and other popular Canon EF lenses. Last one. Made by Canon Japan.
This lens mount has been discontinued. Canon has a replacement mount available here.