Features:

Barlow Lens 3X/5X Telescope Eyepiece 1.25 inch Interface M42x0.75mm Thread.
1.25 Inch Interfaceuniversal for Celestron, Nikon, Orion, and other telescopes.
3X/5X High Power Magnificationmore detailed at the star, moon and other celestial bodies.
Fully Multi-coated Film high transmittance to achieve clear and sharp views.
With M42x0.75mm thread to connect a digital camera via a T adapter.