1. connection: This telescope adapter has connection, M42 and M48 accessories can be connected together.
2. 0.75 mm thread: This M42 coupling adapter to M48 has external thread M42x0.75 mm and internal thread M48x0.75 mm.
3. Aluminum alloy: This M42 adapter for M48 is made of and durable aluminum alloy material.
4. Easy installation: This telescope adapter can be easily installed, very flexible and convenient to use.
5. Extinction Treatment: The inner wall of this telescope lens filter adapter adopts extinction treatment, prevents radiation from affecting the image.

Specifications:
Item Type: Telescope Adapter
Material: aluminum alloy
Internal Thread Specification: M48 x 0.75 mm
External Thread Specifications: M42 x 0.75 mm (commonly known as )
Thread Depth: 3 mm
Flange Distance: 4mm
Total length: 7mm
Internal hole diameter: 39mm
Diameter of the external structure: 50.7mm ± 0.1mm

List of packaging:
1 xanel telescope adapter
1 x plastic storage box