Cavision Clamp-on Step-up Ring: Picture 1 regular $49.95

About Cavision Clamp-on Step-up Ring

• This ring allows you to use a 117mm bottom threaded Conversion Lens or Filter on an 110mm OD front threaded lens

The rear of this Clamp-on step-up ring is 110mm ID (inside dimension). It clamps on to the front of a lens that has an 110mm OD (outside dimension), stepping it up to accept 117mm add-on lenses or filters, as the front of the step-up ring is a 117mm ID thread.

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