Svbony SV503 ED 80mm F7 Doublet Refractor Telescope

Delivery: Ships from Svbony warehouse located in Hong Kong. The estimated delivery time is 10 business days. 30 days returns policy. Returns location: Rancho Cordova, California, United States.   Features: 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   Description   California Residents: Please check Proposition 65 Warning Website about significant exposures to chemicals that cause cancer, birth defects or other reproductive harm. https://www.p65warnings.ca.gov/   Specifications Model  SV503 Aperture of objective lens 80mm Focal length 560 mm Focal ratio F7 ED Glass S-FPL51 Lens Coated Ultra-wideband coating（SMC） Objective Lens type Double separation lens structure Limit magnitude 11.6 Light-gathering Power 130.6x Resolution 1.5 Arcseconds Tube Material Aluminum Item Weight​ 3.5kg Focuser 2 inch Dual speed focuser Reduction ratio 1:10     What's included Svbony SV503 ED 80mm F7 Doublet Refractor Optical Tube Optical Tube Rings and Dovetail 2" to 1.25" eyepiece and accessories adapter Dovetail Finder Scope Base