2 inch Dielectric Diagonal Mirror for Astronomical Telescope - 99% reflectivity- with 1.25-inch Adapter-refractorAccessories 90 Degree Mirror

2 Inch High reflectivity 90 Degree 99% Reflectivity Dielectric Mirror Diagonal Metal for Refractor TelescopeSpecification:​Interface Size: 2 inColor: As shows in picturesNetweight:560gBodyMaterial:Aluminumalloy+StainlesssteelCoating:Dielectric coatingReflectivity:99% Features:1.High quality 99% reflectivity Dielectric coating 2.Used for 2 inch focus seat and eyepiece3.Constructed with all metal and optical glass mirrorPackage description:Zenith mirror 12'' to 1.25'' adapter 1

• Multi-layered enhanced dielectric coatings that produce 99-percent reflectivity for brighter, sharper images.
• 2 inches nosepiece fits 2 inches telescopes; accepts standard 2 Inch filters; eyepieces; Barlow lenses and other accessories,a 2 inch to 1.25 inch adapter incuding,you can also use 1.25 accessories
• Diagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor telescope
• Brass compression ring; Built in brass ring and thumbscrew accessories avoid eyepiece to rotate during adjustments; effortless fixes more firmly and will not scratch your eyepieces barrels
• Machined and anodized aluminum housing features machine-threaded baffles for optimized contrast