Primary Mirror Specs: 160mm Diameter, Diffraction Limited L4 (1/4 wave in Sodium Light), Plate Glass, Aluminized(92%) and SiO(Quartz Overcoat), Resolving Power(arc seconds): .97, FL (focal length) 1300mm Pre Set Collimation Dot hand Crafted and Ronchi Tested for high Reflectivity. Secondary mirror is Plate Glass with 51mm Major Axis and 35mm Minor Axis.

• 160mm Diameter Primary Mirror
• 51mm Major Axis and 35mm Minor Axis Secondary Mirrror
• Primary Mirror 1300mm Focal Length