Aquatica 18719 Zoom Gear for Sigma 17-70mm f/2.8-4.5 DC Macro HSM & OS HSM Lens Globe Compatible with Fibre Optic Adapter

Compatible with Fibre Optic Adapter for DS strobes and any Ikelite housing featuring fibre optic ports

41 Zoom/Focus Gear

Lubrication is not required but Ikelite silicone lubricant may be used if needed to clean the o-ring

half-out of the water)

screw on filter

Aquatica 18719 Zoom Gear for Sigma 17-70mm f/2.8-4.5 DC Macro HSM & OS HSM Lens Globe Compatible with Fibre Optic AdapterAquatica Zoom Gear #18719 for Sigma 17 70mm f 2. 8 4. 5 DC Macro HSM & OS HSM Lens Compatible with the Sigma 17 70 f 2. 8 4. 5 DC Macro HSM & OS HSM version lenses in Aquatica's 18410, 18405, or 18407 Dome Port Special Order Product 4 6 weeks delivery.