Amazon.com: Swarovski Optik VPA Variable Phone Adapter, Connects to Binoculars and Spotting Scopes : Electronics
Swarovski Smartphone adapter Set VPA-Adaptor with AR-B adaptor ring for BTX/ binoculars
Swarovski VPA AR-S Adapter Ring for ATS/STS Spotting Scopes
Swarovski VPA Variable Phone Adapter | Time and Optics
Amazon.com: Swarovski Optik VPA Variable Phone Adapter, Connects to Binoculars and Spotting Scopes : Electronics
THE BIRDER'S STORE on Twitter: "'Phonescoping' is becoming increasingly popular with #birders. The @SwarovskiOptik 'VPA' is a high quality, variable adapter that accommodates most #smartphones and provides a tailored connection to #Swarovski