C-Mount Lens Adapter 25mm C To C Camera Extension Tube C-C Mount Adapter Spacer Ring For Security Industrial Cameras Accessories Features: Material: Made of aluminum, sturdy and , the thread is clear and smooth, no tooth loss, no color loss, beautiful workmanship and every detail is clearly visible. Portable size: the outer diameter is 30mm, the inner diameter is 25mm, the thickness is 9mm. Multipurpose: Used for security cameras, industrial cameras, etc. C connector to C connector. Simple and practical: Both the camera and the lens have a C-mount, which increases the focal length. Package Contents: 1 x Camera C-Mount to C Adapter. Specifications: Product Name: Camera C Mount to C Adapter Color: Black, White Weight: 10g/pcs Material: Aluminum Alloy Outer diameter: 30mm Inner diameter: 25mm Thickness: 9mm Product use: used for security cameras, industrial cameras, etc. C port to C connector Packing list: 1*C Mount Adapter Ring Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_