Amazon.com : Telescope Phone Adapter, Multipurpose Telescope Smartphone Adapter Mount, Universal Telescope Phone Mount Adapter for Adults-Fits Almost All Optical Equipment and Smartphones on The Market : Electronics
F002 Universal Smartphone Adapter for Binoculars/Monoculars/Microscope/Telescope - Apexel
Quick Connect Binocular Phone Adapter – SnakeLook
Canon AD-P1 Smartphone Adapter 5553C001 B&H Photo Video
Universal Smartphone Adapter for your DermLite
The Best Phone Scope Adatper, 3-Axis Smartphone Adapter for Digiscoping, eyepieces (0.86in ~ 2.4in) – Move-Shoot-Move Rotator
Scope Cam Adapter Kit - Camera and Smartphone Adapter for Rifle Scopes – Fotodiox, Inc. USA
Amazon.com : Spotting Scope Smartphone Camera Adapter, Telescope Camera Adapter, Cell Phone Adapter Mount for Binocular Monocular : Electronics