Celestron Astromaster LT80 AZ 21082 Refracting Telescope  (Manual Tracking)

80mm short refractor telescope with fully coated glass optics and a lightweight frame. Accessories include: two eyepieces (20mm and 10mm), erect image diagonal, and red dot finderscope. Observe in no time with a quick and easy no-tool setup. Pan handle Alt-Az control with clutch for smooth and accurate pointing. Adjustable height tripod includes an accessory tray. The AstroMaster 80AZS is a short refractor telescope perfect for terrestrial and celestial viewing. The short focal length is ideal for viewing star clusters and nebulae, while the erect image star diagonal makes the optical tube ideal for using as a spotting scope during the day. Setting up the telescope is a breeze and will have you observing in no time. Even on your first time out, you can assemble the telescope and its accessories in just a few minutes. The adjustable tripod legs allow you to customize the telescope’s height or place it on raised surfaces like a picnic table. An included accessory tray will help you keep track of eyepieces and other small items while observing. The total telescope kit weighs in at just 10 pounds—perfect for impromptu observing sessions or transporting wherever life’s adventures take you. Manual Alt-Azimuth telescope Navigate the sky with a pan handle Alt-Az control with clutch for smooth and accurate pointing. Move the clutch in an up/down, left/right fashion to track your object in the eyepiece. Accessories Included The AstroMaster 80AZS comes with two eyepieces (20mm and 10mm), erect image diagonal, and finderscope. The two eyepieces offer different magnifications to view your intended object. The erect image diagonal allows for right-side-up viewing ideal for terrestrial subjects but can also be used for celestial objects. The red dot finderscope will help you quickly center an object in your eyepiece for easier observing. Starry Night Software Download Celestron’s Starry Night Software and learn about the night sky, celestial objects, and how to plan your next observing session. Celestron Starry Night Software is the premier astronomy software package on the market, providing resources and knowledge to view our solar system and beyond. Specifications Optical Design: Refractor Aperture: 80mm (3.1") Focal Length: 400mm (15.74") Focal Ratio: f/5 Focal Length of Eyepiece 1: 20mm (0.78") Magnification of Eyepiece 1: 20x Focal Length of Eyepiece 2: 10mm (0.4") Magnification of Eyepiece 2: 40x Barlow Lens: Not Included Finderscope: StarPointer™ red dot finderscope Star Diagonal: Erect Image, 90° (1.25") Optical Tube: Aluminum Highest Useful Magnification: 189x Lowest Useful Magnification: 11x Limiting Stellar Magnitude: 12 Resolution (Rayleigh): 1.74 arc seconds Resolution (Dawes): 1.45 arc seconds Light Gathering Power (Compared to human eye): 131x Secondary Mirror Obstruction: 25mm (1") Secondary Mirror Obstruction by Area: 4.96% Secondary Mirror Obstruction by Diameter: 22% Optical Coatings: Fully Coated Optical Tube Length: 184mm (7.24") Optical Tube Diameter: 90mm (3.54") Optical Tube Weight: 1.2 kg Dovetail: CG-5 Dovetail bar 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 legs Accessory Tray: Yes Slew Speeds: Manual Tripod Weight: 3.6 kg includes weight of mount Dovetail Compatibility: CG-5 saddle plate Software: Celestron Starry Night Basic Edition Software and SkyPortal App Total Telescope Kit Weight: 4.78 kg