Sky-watcher Evostar-90 (az3) Achromatic Refractor Telescope by Sky-Watcher
Sky-watcher Evostar-90 (az3) Achromatic Refractor TelescopeSky-Watcher Evostar-90 (AZ3) 90mm (3.5″”) f/900 Achromatic Refractor Telescope. The Sky Watcher Evostar series are two-element air-spaced, multi-coated object achromatic refractors. They are truly outstanding, high-performance; high-resolution instruments manufactured to extremely high standards and mechanical precision. With their long focal lengths and breathtaking optical performance, they are ideal for the