Suitable for Canon EF 70-200mm f/4L USM, for Canon EF 70-200mm f/4L IS USM, for Canon EF 300mm f/4L USM, for Canon EF 400mm f/5.6L USM. 1 Lens Tripod Mount Ring. This restriction also applies to a fault that has arisen as a result of improper repairs by a service partner authorized by us.
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