This telescope extension tube is auxiliary equipment specially designed for photography enthusiasts and professional observers. It can solve the problem of focusing caused by the camera or eyepiece not reaching the correct focal plane. Suitable for various types of cameras, telescopes, eyepiece, and other devices.

Specification
Color: Black
Material: Aluminum Alloy
Diameter: 44 mm / 1.73 inch
Height: 8 mm / 0.31 inch
Male Thread: M42 x 0.75 mm
Female Thread: M42 x 0.75 mm
Package List: 1Pcs x Telescope Extension Tube

Advantage
The main material of the extension tube is aluminum alloy, which is light, easy to carry, and has good corrosion resistance. The internal thread design helps to eliminate stray light and reflected light, thereby presenting clearer and more detailed images.
Both ends of the lens adapter ring make it easy to connected to most camera and eyepiece on the market, and can also be used with various adapters, greatly expanding its range of use. Simply adjust the focal length according to shooting needs to achieve great shooting results.

Instruction
To connect, screw the male thread of one extension ring into the female thread of another extension ring, ensuring it is tightened. You can combine multiple extension rings of different lengths to achieve the desired spacing. Connect your camera (or eyepiece) and telescope equipment separately, and use the telescope focusing device to fine-tune the focus.

NOTE
Please pay attention to the dimensions before purchasing, and when installing, please ensure the threaded connections are tight and secure.