Canon Tripod Mount Ring B (B) for EF 100 f/2.8, Macro USM, MP-E65 f/2.8, EF 180 f/3.5L Macro USM Lens only

Customer Reviews If you need this for your lens, and it its gonna be tough not to, there's more or less only one manufacturor to get it from. So ... get it. Just don't lose the inner ring. Oh, the mount works just like the product description says it would, and the ring is the right balance point for both Rebel XTi and 40D bodies.

Product Description Tripod mount for EF 100 f/2.8, Macro USM, MP-E65 f/2.8, EF 180 f/3.5L Macro USM Lens only. Includes dedicated Tripod collar adapter.

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