SV503 Telescope OTA is designed with ED glass; will give you the crystal clear image; SV503 80ED telescope produces an especially colour true and high contrast image; just right for more discerning observers
Sharp image; ultra wide band fully multilayer coated lens; doublet glass and the 30mm achromatic optics prevent irritating reflections can bring you bright and clear images
Compatible with finder scope; synta-style dovetail base can be installed on telescope; compatible for Clestron Orion Sky-watcher Vixen and so on
The appearance of the SV503 OTA is baked with high-end fine-grained paint; with exquisite appearance and delicate feel; all machined by CNC
Dual-speed rack and pinion focuser; the gear ratio of the dual speed 2-inch toothed focuser is 1: 10; which makes it easy to achieve accurate focus