Amazon.com : GOSKY Smartphone Adapter Mount Regular Size - Compatible with Binoculars, Monoculars, Spotting Scopes, Telescope, Microscopes - Fits almost all Smartphones on the Market - Record Nature and The World : Electronics
LAKWAR Telescope Phone Adapter,Universal Smartphone Mount for Binoculars, Monocular, Microscope, Spotting Scope, Telescope, Smartphone Holder Clip Bracket Fits Almost of Mobile Phones - Walmart.com
Spotting Scope Smartphone Camera Adapter, Telescope Camera Adapter, Cell Phone Adapter Mount for Binocular Monocular : Amazon.ca: Electronics
Fully Metal Camera Adapter Smartphone Adapter Telescope adapter for Binocular Monocular - AliExpress