Features:
1. Made of high-quality aluminum and anodized black, durable for long time usage.
2. Suitable for a 2-inch telescope focusing device, eyepiece, or accessory.
3. Equipped with locking finger screws for insertion of astronomical fittings.
4. The brass compression screw is used for 2inch eyepiece and astronomical photography filters,
5. Easy to use and portable, convenient to carry and store.
Specifications:
Material: Aluminium alloy
Color: As the Pictures Shown
Head circle diameter: 5cm/2inch
Bottom circle diameter: 5.9cm/2.3inch
Total length: 7cm/2.8inch
Thread diameter: 2inch M48*0.75
Weight: Approx.114g
What's in the box
1 x Telescope Extension Tube
