1. [PRECISE SCALING] Achieve precise image scaling with the internal anti-reflective thread, resulting in clearer, brighter images by minimizing optical reflections.
2. [RUBUST CONSTRUCTION] Made with all-metal construction for reliable performance in any environment. Anodized aluminum finish ensures durability and reliability. 3. [EFFORTLESS USE] Easy to install and remove, making it perfect for users of all levels. Quickly connect to telescope setups for optimal observing and photography sessions. 4. [FLEXIBLE ADJUSTMENT] Address length and back-focus challenges with the ability to precisely adjust spacing. Improve imaging performance by adjusting the distance between the telescope and the camera.
5. [VERSATILE COMPATIBILITY] Compatible with a wide range of telescopes, cameras and astronomical equipment. Standard M48x0.75mm threads ensure seamless integration for daily use and photography needs.

Specifications:
Item type: Telescope extension tube
Material: Aluminum alloy
Light block treatment: internal with anti-reflection thread
Inner thread: M48x0.75mm
Outer thread: M48x0.75mm
External diameter: approx. 50.8 mm / 2 inches
length: 15 mm / 0.6 inches

How to use it:
Install and use

Package includes:
1 x telescope extension tube