Canon YB2-1328 EF Collar
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Canon YA2-3665 Guide Collar
Genuine Canon lens guide collar for the EF 16-35 2.8 L II USM and EF 100-400 4.5-5.6L IS USM. Made by Canon Japan. See the detail below to measure your lens guide collar.
Use choose an option and select from available sizes.
Use the detail to measure your lens guide collar, then pick from available sizes.
![](https://uscamera.com/wp-content/uploads/2021/03/ya2-3665guide-en-300x124.jpg)