This is the mobile phone adaptor for telescopes and spotting scopes.  This is made with extremely good ABS material. 
 
About this item
【Practical and Convenient】Quick Alignment Version and Super easy to us. Align the camera and optics in few seconds. The centre of phone camera and the optics can automatically be aligned
【Portable and Compact】The Cell Phone Adapter Mount is light weight Opting for a lightweight unit ensures enhanced portability so that you can put it into your backpack or even pocket when you have a trip and vacation
【Safe & Durable】Mainly made of aluminum alloy, fully metal housing, Phone clamp is made of high strength PA plastic, which can be used for a long time Because the product is combined with the new way, the phone will be more securely fixed on the telescope and will not fall again.
【Enjoy Exploring Fun】With this universal cellphone telescope adapter, connect your phone with telescope or microscope to explore far beautiful scene and amazing micro world.
【Extensive compatibility】Fit almost all brands of smartphones on the market with or without a case from small to large such as iphone 4, 5s, 6s,6p,7,7p, 8, X, Samsung Galaxy S7,S6,Edge, Note 4,Sony,LG and much more