1.25" 31.7mm Apochromatism 2X/3X/4X/5X Barlow Lens for Astronomical Telescope
1x Barlow Lens. - 2X/3X/4X/5X Magnification：observe more detail at the deep sky, star, moon and other planets. - Magnification：2X/3X/4X/5X. - Full Multi-coated Green Film：high transmittance to improve image brightness.