SVBONY 2X Barlow Lens, Doubles The Magnification Telescope Barlow Lenses, 1.25 inch Multi Coated Broadband Green Film Telescope

1.25 inches 2x achromatic Barlow lens effectively double the capacity of an existing set eyepieces;the barlow edges and inner barrel are blackened to provide maximum contrast Two elements one group of fully multi coated HD broadband green film optical glass for excellent transmission; the internal housing is baffled to eliminate unwanted reflections and chromatic aberration; increase contrast SVBONY Barlow lens using togeter with 1.25 inches telesope eyepieces gets high power magnification for more closely and more detailed at the moons surface and other celestial bodies The Barlow lens role is not only to improve the image quality; but also viewing comfortably Fully metal constructed; the housing is precision machined from aluminum stock and black anodized to a hard finish; sturdy for a long time using