1. Durable aluminium alloy: made of a solid and corrosion-resistant aluminium alloy with black anodic oxidation treatment surface.
2. [PREVENTS DAMAGE] Supports connection with 2-inch telescope eyepieces and astrophotography filters to prevent damage to your telescopic accessories.
3. Secure fit: Equipped with two clamping screws with brass wing screws for a secure connection and to prevent accidental slipping.
4. Lightweight and portable: lightweight and small, making it easy to take with you and use on the go.
5. Wide compatibility: compatible with telescopic eyepieces with a thread diameter of 2 inches M48 x 0.75.

Technical data:
Features:
1. Made of high quality aluminium alloy, solid, durable and corrosion resistant.
2. Black finish with anodic oxidation treatment to prevent unwanted reflections.
3. Supports connecting 2" telescope cameras and astrophotography filters, preventing damage to your telescope accessories.
4. Equipped with two clamping screws with brass wing screw to prevent accidental slipping and keep the telescope safe.
5. Lightweight, small and portable.
Technical data:
Material: aluminium alloy.
Colour: black.
Thread diameter: 2 inches M48 x 0.75.
Application: telescope eyepiece
Top ring diameter: approx. 5 cm / 1.97 inches.
Diameter of bottom rings: approx. 5.9 cm / 2.32 inches.
Tube length: approx. 60 mm / 2.36 inches.
Total length: approx. 9 cm / 3.54 inches.
Package list:
1 x telescopic eyepiece extension tube adapter