| Feature: 1. Universal: 1.25in standard interface, suitable for all 1.25in astronomical telescopes and accessories, built in M28.5x0.6mm thread specification, you can purchase additional astronomical telescope filters as needed. 2. Wide Field of View: Using 2 groups of 4 optical structures, 26MM focal length, 52 degrees large field of view, comfortable viewing, easy to find targets, and can watch a wider range of star, landscape, astronomical, etc. 3. Lens Material: The lens adopts high quality optical glass, FMC coating process, small chromatic aberration, high light transmittance, low dispersion, and clear image. 4. Lens Barrel Material: The lens barrel is made of aluminum alloy, which is … | |