Smart phone camera adapter can be connected to rifle scopes,so that you can easily take photos and videos with your mobile phone, and share the discovery with your family and friends. The holder is suitable for almost all eyepieces with an outer diameter of 33mm-46mm, including eyepieces with simple rifle scopes, eyepieces with knobs, curved eyepieces, and even eyepieces with small rings and handles. Also suitable for spotting scope.It can be applied to various smartphones with a width of 58mm-100mm. For example, iphone 5, 5s, 6, 6s, etc. Installation steps for rifle scope & spotting scope Step 1 1: Loosen the screws on the side of the clip, open the clip, and put the phone in the clip to fix it. Step 2 2: Align the phone camera with the clip hole. TIPS:With multiple cameras, you can align the test with the holes one by one, and one of them will be suitable. Step 3 3: Finally Link the assembled adapter with rifle scope. Step 4 4.Turn on the phone camera. Feature: Material: Aluminum Alloy Fitness: For Celestron, Sky-watcher, Vixen, etc. Applicable size range: almost all eyepieces with an outer diameter of 33mm-46mm. smartphones with a width of 58mm-100mm. Package List: 1 x Rifle Scope Mount Camera Adapter Easy to install and use, it is an indispensable accessory for riflescope and spottging scope Actual test show