1X(The tripod mount ring is specially made for EF 70-200mm f/4L Lens, EF 70-200mm f/4L IS Lens, EF 70-200mm f/4L IS II Lens, EF 400mm f/5.6L Lens, EF 80-200mm f/2.8L Lens. The lens holder bottom is 39mm fit Quick Release Plate, Compatible with / / / / / / / MARSACE / tripod ball head of Arca 39mm fit. ).
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