Sea&Sea Zoom Gear for Canon EF 16-35mm f/4L IS USM Lens bluewaterfilter The 1-inch Ball Arm System

The 1-inch Ball Arm System Mark II features 1" ball components with a groove and o-ring to prevent slippage for improved holding power with less force

Extends a DL system dome or flat port by approximately 50mm (actual 2

INON offers four different finder units

4” x 144

A low volume dome which provides similar image quality to Ikelite's standard 8” dome port in with a reduced size ideal for close focus wide angle and great for travel

Sea&Sea Zoom Gear for Canon EF 16-35mm f/4L IS USM Lens bluewaterfilter The 1-inch Ball Arm SystemSea&Sea zoom gear enables zooming for the Canon EF 16 35mm f 4L IS USM lens via the housing's focus zoom knob when used with Sea&Sea MDX RDX housings.