Aquatica Extension Ring with Focus Knob
74.5mm
The Aquatica Extension Ring increases the length of the port by 74.5mm to accommodate longer lenses. The ring features a manual focus knob, which is compatible with a required focus gear.
The extension ring is crafted from 6061 T6 aluminum alloy which makes it durable and robust. It has been anodized for excellent resistance to corrosion. It features a stainless-steel locking mechanism ensures a reliable connection between the ring and the port.
See Port Chart for Compatibility