Refractor-Achromat

Celestron Advanced VX 6in Refractor Optical Design: Refractor Aperture: 150mm (6") Focal Length: 1200mm (47") Focal Ratio: f/8 Focal Length of Eyepiece 1: 20mm (.8") Magnification of Eyepiece 1: 60x Finderscope: 9x50 Star Diagonal: 1.25"...