Gosky Universal Smartphone Adapter Mount - A Cool Adapter for your Microscope
Novagrade Smartphone Adapter | Kite Optics
ASToptics Smartphone adapter for spotting scope/telescope
Amazon.com : Celestron – Smartphone Photography Adapter for Telescope – Digiscoping Smartphone Adapter – Capture Photos and Video Through Your Telescope or Spotting Scope Eyepiece : Electronics
Amazon.com : GOSKY Smartphone Adapter Mount Large Size - Compatible with Binoculars, Monoculars, Spotting Scopes, Telescope, Microscopes - Fits almost all Smartphones on the Market - Record Nature and The World : Electronics
F002 Universal Smartphone Adapter for Binoculars/Monoculars/Microscope/Telescope - Apexel