SN105-F Focus Gear ~for Sigma 105mm F2.8 EX DG OS HSM Macro N50 Depth Rating 100m Port System

Depth Rating 100m Port System N50 Weight Port Opening Diameter Port Diameter 3

and is rugged and ready for use

069kg Dimensions 80mm (W) × 50mm (H) × 28mm (D) split

and is an iconic symbol of Nauticam innovation

Connect the hand pump to the valve and pump several times until it reaches the target vacuum level

SN105-F Focus Gear ~for Sigma 105mm F2.8 EX DG OS HSM Macro N50 Depth Rating 100m Port SystemFocus gears allow access to the mechanical zoom function of many lenses. Use of these gears may require specific port extensions and may not be available for all housings and lenses. This focus gear is specific for the Sigma 105mm F2. 8 EX DG OS HSM Macro (Nikon Mount) lens.