Nimar Extension Ring with Mechanical Zoom Control & Lock for Panasonic Leica DG 8-18mm f/2.8-4.0 ASPH

This Nimar Extension Ring with Mechanical Zoom Control & Lock is compatible with the Panasonic Leica DG 8-18mm f/2.8-4.0 ASPH 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.