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
Swarovski AR-B VPA Adapter Ring Binoculars EL Range BTX Optics4Birding
Swarovski AR-S VPA Adapter Ring for ATX/STX with 59mm Eyecup Diameter 44224 For Sale - EuroOptic.com
Swarovski VPA variable phone adapter | Advantageously shopping at Knivesandtools.com