Description: 3X Magnification?Observe more detail at the deep sky, star cluster, moon and other planets to explore the universe. Wide Application?1.25" interface for Celestron, Orion, Nikon and more refractor reflective astronomy telescopes. Fully Multi-coated HD Broadband Film?High transmittance to acquire clear and sharp images and views. The Barlow lens ´ role is not only to improve the image quality, but also viewing comfortably. M42x0.75mm Thread?Connect DSLR cameras and telescopes via T ring adapter. Specification: Material?Optical Glass + Metal Length?8.8cm/3.5inch Width?5cm/2inch Interface: 1.25 inch (31.7mm) Magnification?3X Thread?M42x0.75mm Coating?Multilayer HD Broadband Lens Coating: Three-element, Fully-multicoated Lenses Color: Black + Silver (As Pictures Show) Package Includes: 1 Piece 3x Barlow Lens
