This Nimar Extension Ring with Mechanical Zoom Control & Lock is compatible with the Olympus M.Zuiko Digital ED 7-14mm f/2.8 Pro lens and fits on underwater camera housings compatible with Nimar NIM-108 or NIM-108WS port systems. Depth-rated for 197', it is made of acetal resin and comes with two O-rings. For full compatibility info, see the NIM-108 (standard) Port Chart or the NIM-108WS (water sports) Port Chart.
UPC: 810075025774