Parks Optical 8 Inch F/6 Parabolic Telescope Primary Mirror & Matching SecondaryUNCOATED Parks Optical 8 Inch F 6 Parabolic Telescope Primary Mirror & Dielectric Coated Matching Secondary No Free Shipping on this package! Local Pickup Available The LAST of a great era. When we acquired Lumicon, we also had the opportunity to practically steal the remaining inventory of the legendary Parks Optical mirror room. Among all of the optical goodies we purchased was the stock of superior 8" f 6 parabolic mirrors and matching 1. 83"