Celestron Telescope Astromaster 76 AZ LT (SPECIAL OFFER RETURNED ITEM)

{Description}Quick and easy no-tool setup
StarPointer for convenience
Quick release dovetail attachment
Pan handle Alt-Az control with clutch for smooth and accurate pointing
Rugged pre-assembled tripod with steel tube legs provides a rigid and stable platform
Glass mirrors coated with aluminum and SiO2
Deluxe accessory tray for convenient and accessible storage of accessories
Download Starry Night Basic Software with a 36,000 object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxies



{Specification}
Optical Design: Newtonian Reflector | Spherical Primary Mirror
Aperture: 76mm (2.99")
Focal Length: 700mm (28")
Focal Ratio: f/9.21
Focal Length of Eyepiece 1: 20mm (.8")
Magnification of Eyepiece 1: 35x
Focal Length of Eyepiece 2: 10mm (.4")
Magnification of Eyepiece 2: 70x
Barlow Lens: Not Included
Finderscope: Built-on StarPointer™ red dot finderscope
Star Diagonal: None
Optical Tube: Aluminum
Highest Useful Magnification: 180x
Lowest Useful Magnification: 11x
Limiting Stellar Magnitude: 11.9
Resolution (Rayleigh): 1.83 arc seconds
Resolution (Dawes): 1.53 arc seconds
Light Gathering Power (Compared to human eye): 118x
Secondary Mirror Obstruction: 35mm (1.37")
Secondary Mirror Obstruction by Diameter: 46%
Secondary Mirror Obstruction by Area: 21%
Optical Coatings: Glass mirrors coated with aluminum and SiO2
Optical Tube Length: 602mm (23.7")
Optical Tube Diameter: 119.5mm (4.7")
Optical Tube Weight: 3.9 lbs (1.77 kg)
Dovetail: CG-5 Dovetail bar