Leofoto Hands Free Modular Binoculars Adapter Arca Tripod Mount Black. The adapter fits binoculars with a 1/4''-20 tripod mounting socket (press the safety lock to disengage the stud) and can be mounted on a tripod or light stand via 1/4''-20 socket or an Arca-type dovetail. Specifications for Leofoto BC-03 Hands Free Modular Binoculars Adapter: Manufacturer: Leofoto Color: Black Fabric/Material: Aluminum Accessory Attachment System: Arca Swiss Arca Last Chance: Yes Features of Leofoto BC-03 Hands Free Modular Binoculars Adapter Aluminum CNC Machining Tripod Mount Arca Compatible For diameter: General Dovetail: Arca standard Package Contents: Leofoto BC-03 Hands Free Modular Binoculars Adapter Leofoto BC-03: BC-03 Hands Free Modular Binoculars Adapter Arca Tripod Mount Black