1.25inch Focusing Extension Tube M42x0.75mm Focus Adjustable Black

Description

Feature
Thread size: M42*0.75mm
Interface size: 1.25 inches (about 31.7mm)
Focusing stroke: 32mm
Single stroke: 0.75mm.
Length: 60mm during condensation, up to 92mm when focusing.
Connection: One end is a universal 1.25-inch connector (for connecting the eyepiece), and the other end is a universal M42 thread (used to connect instruments such as telescopes).
Locking screw material: stainless steel
Sleeve material: aluminum alloy
This product is a spiral focusing sleeve that can be used to:
1. Connected to the telescope as a fine focusing seat
2. As an extension tube for astronomical telescope
3. as a focusing seat for DIY telescope
Package
1x Focusing Extension Tube