This Bresser Messier 8" is a deep sky observation Dobsonian telescope that is suitable for night and solar observation. It has a large radius elevation bearings, a tube ring, and a large 2.5" R & P hex-focuser. This Bresser Messier telescope offers an 8" optical diameter that is ideal for viewing the solar system's moons or planets, clusters, and nebulae besides it can reach the farthest reaches of the sky. Moreover, the secondary mirror of this telescope is made of borosilicate glass.