M48x0.75 Thread Astronomical Telescope Extension Tube Adapter Ring Length 3mm 5mm 7 mm 10mm 12mm 15mm 20mm 30mm

Specifications:

Item Type: Extension Tube

Material: Aluminum Alloy

Color: Black

Outer Diameter: 2 inch (50.8 mm)

Outer Mounting Thread: M48x0.75 mm

Inner Mounting Thread: M48x0.75 mm

Extension Length: 3 mm, 5 mm, 7 mm, 10 mm, 12 mm, 15 mm, 20 mm, 30 mm

Feature:

1. The function of the extension tube is to increase the distance between the lens and the camera. It has a T2 interior thread and a T2 exterior thread for solving spacing problems in astrophotography and eliminates a range of focusing problems.

2. Fully metal construction and anodizing aluminum process, durable for long time use.

3. Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.

Package Included:

1x T2 Adapter Ring