Universal 5X & 3X Telescope Barlow Lens For Celestron 1.25inch Eyepiece Set UK
1x Barlow Lens 5X. 1x Barlow Lens 3X. 5X & 3X High Power Magnification：more detailed at the star, moon and other celestial bodies. Magnification Factor：5X + 3X. Thread：M42x0.75mm.