SVBONY SV503 Refractor Telescope, 102mm F7 Extra Low Dispersion Achromatic Refractor OTA, Dual-Speed Focuser, 90mm Back Focus, Telescope for Adults High Powered, for Deep Sky Planets Astrophotography

If you are looking for a dual-purpose telescope appropriate for both terrestrial and celestial viewing, then this 102mm compact refractor is for you. This scope is ideal for terrestrial,viewing wildlife, scenery;as well as casual astronomical observation such as the Moon, star clusters and brighter deep sky objects like the Orion Nebula and Andromeda Galaxy at night. Coating super fully multi coated lens ensures high light transmission and bright clear image. 3/8” Dovetail Tripod Mount 3/8 inches dovetail tripod mount with 1/4-20 tripod hole. You can connect SV503 telescope with tripod and eq mount easily. 1.25” and 2” Accessories Compatible SV503 refractor is compatible with all 1.25in and 2in accessories like eyepieces diagonal barlow lens for its 2in to 1.25in adapter. Specifications: (Optics ) Type: Refractor Type of build: Doublet air spaced achromatic Glass Grades: S-FPL51 Aperture: 102mm / 4.01-Inch Focal length: 714mm Aperture ratio: f/7 Resolving capacity: 1.17" Limit value: 12.1 Light gathering capacity: 212x Max. Useful magnification: 204x Tube weight: 3.95kg Tube outer diameter: 121mm Tube material: Aluminium Coating: (Focuser) Type of build: RAP ((rack and pinion) Connection: 2-inch Connecting threaded socket: M54*0.75 Ring clamp: Yes Rotating：Yes Gear reduction: 1:10 Fine movement The packaging includes: 1 x SV503 102F7 Telescopes OTA 1 x Pair Telescope Tube Ring 1 x 2" -1.25" Adapter 1 x Dovetail Plate 1 x Lens Cover 1 x 1.25" Dust Cover