1 x Tripod Mount Ring for Canon Macro Lens EF 100mm f/2.8L IS USM. Canon Macro Lens EF 100mm f/2.8L IS USM. (Note: Can’t be used with Canon Macro Lens EF 100mm f/2.8 USM). Junctions of new version are fixed by steel needles; locks use stainless-steel-spring screw; the bottom is electroplated copper nut, more exquisite and perfect.
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