My First Lab Skyline Telescope High quality, full coated Blue lens enhances clarity and helps to reduce ambient light 45x to 90x Magnification with a 900mm focal length and a light gathering power of 100x 3x Barlow lens, allows for triple magnification, increasing the magnification power to 130x to 180x magnification Lightweight construction tripod, with telescoping legs make it ideal for back-packing and outdoor excursions Features two separate dials for adjusting its vertical and horizontal positioning