UWL 400Q Fantasea Bayonet Male Mount - Perfect for Underwater Photography & Diving Accessories

Male bayonet?that attaches to the?UWL-400Q Wide Angle Lens?(Cat. No. 5142) and allows easily installing and removing the lens from the housing lens port or lens holder with a 1/4 turn*.?
* A compatible female bayonet must be installed on the housing lens port and lens holder.