DSLR camera lens adapter with 1.25-inch eyepiece interface

Canon lens, Nikon lens, different lens interfaces, note lens type when taking photos
1、 Connect a 1.25-inch eyepiece and use the lens as a telescope
2、 1.25-inch interface, M42 port CCD (QHY5 and other CCDs), suitable for some lenses for star field photography or star guidance.
Design features:
1. It can simultaneously connect a 1.25-inch eyepiece and fix an M42 CCD, while focusing.
2. The eyepiece and CCD have dedicated focus distance locking screws and are equipped with M42 thrust plates.
3. The interface can be adjusted according to different sizes and lens focus distances.
Nikon, Canon EOS (high-precision copper nickel plated lens interface)