Celestron AstroMaster 90AZ Telescope: A Stellar Viewing Experience Step into the world of astronomy with the Celestron AstroMaster 90AZ Telescope, a perfect companion for stargazers of all levels. This 90mm refractor telescope, featuring fully coated glass optics, promises bright and clear images, all housed in a lightweight and manageable frame. Setting up is a breeze with its quick, no-tool assembly, allowing you to start observing the night sky in just minutes. The telescope is equipped with a set of essential accessories to enhance your viewing experience. It includes two eyepieces (20mm and 10mm) for different magnification options, an erect image star diagonal for comfortable viewing angles, and a finderscope for easy navigation and object location. The manual Alt-Azimuth telescope is designed with a panning handle and clutch for smooth, accurate pointing, facilitating effortless tracking of celestial objects. An adjustable height tripod provides a stable base for observations at various angles and altitudes. To further enrich your stargazing sessions, the package includes a download of Celestron’s Starry Night Basic Software. This advanced software features a comprehensive 36,000 object database, along with printable sky maps and enhanced 3D images of stars, exoplanets, and galaxies, making it a great tool for planning your observations and learning more about the universe. The AstroMaster 90AZ is not just a telescope; it’s your gateway to exploring the wonders of space. Specifications OPTICAL TUBE INFO: Optical Design: Refractor Aperture: 90mm (3.54") Focal Length: 1000mm (39") Focal Ratio: f/11 Focal Length of Eyepiece 1: 20mm (.8") Magnification of Eyepiece 1: 50x Focal Length of Eyepiece 2: 10mm (.4") Magnification of Eyepiece 2: 100x Barlow Lens: Not Included Finderscope: StarPointer™ red dot finderscope Star Diagonal: Erect Image Diagonal - 1.25" Optical Tube: Aluminum Highest Useful Magnification: 213x Lowest Useful Magnification: 13x Limiting Stellar Magnitude: 12.3 Resolution (Rayleigh): 1.55 arc seconds Resolution (Dawes): 1.29 arc seconds Light Gathering Power (Compared to human eye): 165x Optical Coatings: Fully Coated Optical Tube Length: 770mm (30.3") Optical Tube Diameter: 90mm (3.54") Optical Tube Weight: 4.4 lbs (2 kg) Dovetail: CG-5 Dovetail bar MOUNT INFO: Mount Type: Manual Alt Azimuth Height adjustment range (includes mount and tripod): 812.8mm - 1295.4mm (32" - 51") Tripod Leg Diameter: 31.75mm (1.25") steel Accessory Tray: Yes Tripod Weight: 7.9 lbs (3.6 kg) includes weight of mount Slew Speeds: Manual Dovetail Compatibility: CG-5 saddle plate Software: Celestron Starry Night Basic Edition Software and SkyPortal App Total Kit Weight: 12.3 lbs (5.58") Included Items: Optical tubeTripod and mount (preassembled)20mm and 10mm eyepieceRed-dot finderscopeErect image 90° diagonalManual Solar Warning Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present. California Residents View Proposition 65 Warning Software and Documentation MANUALS: AstroMaster AZ Quick Setup Guide AstroMaster AZ Manual OTHER PRODUCT FILES: Celestial Observing Telescope Maintenance Telescope Basics Astronomy Basics How to Determine Which Eyepieces to Use with Your Telescope How to Align a Red Dot Finder to Your Telescope Video Solar Safety Warning