Description:

Fully metal construction and anodizing aluminum process, durable for long time use.
Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
The extension tube has a T2 interior thread and a T2 exterior thread for solving spacing problems in astrophotography and eliminates a range of focusing problems.
Please Note: This is M42 (42mm) thread.
Please make sure this is the correct size and thread before purchasing; If you have any problems about your purchase, please do not hesitate to contact us, we will make it right.

Specification:

Type: Astronomical T2 Thread Extension Tube
Male thread: M42x0.75mm.
Female thread: M42x0.75mm.
Length: 5mm 20mm.
Color: Black.

Package Includes:

2 Extension Tube

Note:

1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful online shopping!