The Svbony fully metal 1.25" Mirrors Diagonal zenith mirror offers an upright figure which is but turned backward in left and right position. It is suitable in particular for astronomical observations. The mirror depicts clean and full of contrasts. The mirror is suitable for refractors, Celestron EQ, Meade Infinity and similar telescopes. It is not suitable due to the length reflectors for Newton. Specifications: Connection eyepiece: 1.25" Connecting telescopic: 1.25" & 2" (2" need adapter) Clamp: 1 screw Reflectivity: 90% Housing material: Metal Suitable for: Refractors Net Weight: 142g / 5.0oz Not suitable for: Newtonians Package Includes: 1xFully Metal 1.25" Mirrors Diagonal 90-Degree 1x1.25" Dust Cover