1.40X60 High Magnification:2 M large eyepiece, clear and bright, bright image, bright color;Ultra-large objective: The larger the objective is, the higher the resolution is, the stronger the reductivity is, and the more saturated the color phase is.2.Optical lenses (coated lenses): All-optical glass lenses, sharp imaging, bright transparent and achromatic, the larger the high rate, fine things are in the eyes, can observe and measure the distance of 1000M, low-light night vision, night shooting, still clearly visible.3.BAK-4 Prism: The panorama is clear without dark edges. BAK-4 prism has strong refractive index, no dark edge in image circle, and material with refractive index higher than BAK-7. It avoids dark angle effectively, has higher color reductive degree, and makes viewing scene more real.4. Telescope for adults:Widely compatible with 8/8 plus, 7/7 plus, 6/6s plus, GALAXY S9/S9 , S8/S8 , S7/S7 , , HTV, , and almost all smartphones on the market. (suitable for single camera)Easy to install, provide high-definition images or videos to share with your friends. enjoy bird watching, hunting, hiking, camping, traveling, wildlife, scenery and so on.