M42 Adapter Ring Compatible with Telescope for Birdwatching

1 M42 Thread: This telescope tube adapter ring has a thread of M42x0.75 and is suitable for camera T2 mount lenses. 2 Height Adjustment Valve: The M42 thread telescope Sleeve has a height adjustment valve to adjust the height of the eyepiece: 67mm to 80mm. 3 Diameter Adjustment Valve: The telescope sleeve has a diameter adjustment valve that allows you to adjust the diameter of the eyepiece from 41.5mm to 44.5mm. 4 Easy to Install: Camera telescope tube with hollow design, does not affect the focus wheel, simple and practical, easy to install. 5 Scope of Application: The M42 thread telescope tube is suitable for birdwatching, SLR micro single cameras and helps visual photography.

What's in the box
1 x Telescope Adapter Ring