Scope Eye Piece Diameter:38-48mm
Material: Aluminium Alloy
Clip: Anti-slip clip
Coating: Black matte Finish
Protection: Sock-proof, water-proof
Focal Length Adjustment : Yes
Excellent phone mounting system that is stable and easy to install.
It is made from aircraft T6061 and anodized, 100% Precision CNC machined.
Makes it very easy to capture and share videos with your friends.
Youtube Video: https://www.youtube.com/watch?v=cLhkZO1TzbI&t=20s