Adopting a one-piece stretch clip for fast and easy installation It fits almost of smartphones on the market, such as for iPhone, for Samsung, for Google, for Huawei, for OnePlus and more It is suitable for eyepieces from 23mm to 50mm in diameter Widely used on for telescopes, binoculars, monoculars, microscopes, night vision, and spotting scopes Ideal for outdoor photography. Easily capture the beauty of the world Comes with 2/3/4mm different thickness EVA spacers to make the mobile phone and the clip flush, easy to observe and take pictures Specification: Eyepiece clamping diameter: 23~50mm Suitable mobile phone width: 66~95mm; thickness: 14mm Package included: 1 x Telescope Phone Adapter Eyepiece Lens Connector 3 x Sponge Mat 1 x Multi-language User Manual Other things not included