SWAROVSKI OPTIK AR-B VPA Phone Adapter Ring for Binoculars and BTX

This Adapter Ring is designed for use with binocular systems or spotting scopes from Swarovski Optik. It is easy to fit and helps connect your binoculars or spotting scope to a smartphone. It is compatible with CL Companion, EL, EL Range, NL Pure, and SLC binoculars, and BTX spotting scope.