SVBONY SV503 Telescope for Adults High Powered, 102mm Large Diameter F7 ED | Extra Low Dispersion Achromatic OTA, Dual-Speed Focuser, Refractor Telescope for Planets Deep Sky Astrophotography Visual 80 mm F7
Extra-low Dispersion glass; 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
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
Top-quality Material; The appearance of the SV503 OTA is baked with high-end fine-grained paint; with exquisite appearance and delicate feel;all machined by CNC
all optical surfaces multi-coated; The whole optical lens adopts the technology of ultra-wideband multilayer coating; 80mm aperture; fully multi-coated ED optics deliver outstanding views; day or night
Areas of application; 80mm F7 astronomy telescope SV503 would be better begin for astronomy amateurs to do astrophotography
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