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Step-Up Ring 52mm Housing - 67mm LensThe step-up ring has 67mm female threads and 52mm male threads. This allows a housing (or camera lens) with 52mm filter threads to mount a lens that has 67mm threads.
Palm Beach Photo Workshop December 5-8
Palm Beach Photo Workshop January 2-5
Our World Underwater February 14-16
Beneath the Sea, March 28-30 New Jersey
Palm Beach Photo Workshop May 15-18
Anilao Photo Intensive April 2014