All-metal construction and anodized aluminum for durability.
- Use this extension tube to get the correct image ratio or the exact spacing required for a reducer or field splitter.
- The extension tube has a T2 internal thread and a T2 external thread to solve spacing issues in astrophotography and eliminate a range of focusing problems.

Specification:
- Type: Astronomy T2 thread extension tube
- External thread: 42mmx0.75mm
- Internal thread: 42mmx0.75mm
- Color: Black
- Material: Aluminum.

Package
- 1 x Lens Tube