The Opticron USM-2 Smart Phone Adapter fits any smart phone and any spotting scope eyepiece from 37mm to 55mm in diameter. It is not much larger than a phone itself, and can work with any phone with a front-facing camera, whether iPhone or Android. See the video below for instructions on how to adjust the adapter to your phone and spotting scope or binoculars.
Please call our sales department 877.674.2473 for details.