Description: Features: Metal Mobile Phone Holder can be connected to your phone for viewing, taking pictures and video. It comes with a 12.5X eyepiece for clear and sharp imagingEasy to use: Eyepiece is easy to use, just loosen the fastening knob and place your phone in the cross or T shaped slot. the phone's camera with the center of the eyepiece, and then insert 1 end of the eyepiece directly into the eyepiece barrel of the Multifunction: Once your phone is in camera mode, you can easily take pictures or video. Save images and share them anytimeMaterial and Design: Universal Phone Adapter is made of aluminum alloy material and is equipped with an optically coated lens for clear imaging. 12.5X eyepiece is threaded and can be removed when neededSize and Package Contents: The size of Cellphone Mount is 12.2cmx3.5cm, including a metal eyepiece barrel, a 12.5X eyepiece, a fastening screw, and a phone clamp Size Chart: 12.2cmx3.5cm/4.80inchx1.38inch Package Includes: 1 Metal eyepiece tube1 12.5X eyepiece1 Fastening screw1 Phone holder Note: Please allow slightly errors 1-2cm differences due to manual measurement.