M42x0.75mm Thread: M42x0.75mm thread, make sure the connection is firm and tight, and will not fall off easily.
Matting Treatment: The inner wall of the aluminum alloy adapter rings is subjected to matting treatment to prevent the radiation from affecting the imaging.
Male to Male: M42 to M42 rings adapter, male to male, easy to install and won't cost you too much time.
Aluminum Alloy: Aluminum alloy material, accuracy craftsmanship, and resistant, can be used for a long time.
Small and Portable: The Telescope adapter is flexible to use, small and portable, and can be easily carried and used even when going out.

Item Type: M42 Male to Male Adapter
Material: Aluminum Alloy
Thread Specification: T2 Thread (M42x0.75mm)
Thread Depth: Approx. 3mm / 0.12in
Flange Distance: Approx. 2mm / 0.08in
Clear Hole Diameter: Approx. 38mm / 1.5in

Package List：
1 x M42 Male to Male Adapter