Explore Scientific 125x FirstLight 80mm & iEXOS-100 Go-To Tracker Combo Focal Length 640 mm Black/White. These Telescopes from the trailblazers at Explore Scientific come with a red dot viewfinder to locate objects in the night sky and an intuitive GOTO system that makes advanced observation a breeze. With a built-in dew shield the Explore Scientific FirstLight 80mm Telescope/iEXOS Go-To Tracker Combo prevents moisture from obstructing the lens. Plus with a built-in 90 diagonal you'll get a comfortable viewing angle with FirstLight. An intuitive user interface allows you to easily find objects get an image or record an audio log all with this user-friendly telescope and mount combo. Pick up your Explore Scientific FirstLight 80mm Go-To Tracker Telescope/iEXOS Mount Combo and start exploring the universe. Specifications for Explore Scientific 125x FirstLight 80mm Go-To Tracker Combo: Manufacturer: Explore Scientific Color: Black/White Magnification: 125 x Objective Lens Diameter: 80 mm Focal Length: 640 mm Focal Ratio: f/8 Magnification Type: Fixed Features of Explore Scientific 125x FirstLight 80mm Go-To Tracker Combo 80mm aperture will reveal impressive lunar details ranging from craters to rilles planetary features like Saturns ring structure or Jupiters cloud belts; and bright deep sky treasures like galaxies nebulae and clusters. Model comes with a 25mm Plssl eyepiece a 90 diagonal for more comfortable viewing and a red dot viewfinder to aid in object location. Built-in dew shield slows moisture build-up on the objective lens and reduces interference from ambient light. Included adapter helps observers use their smart device to capture and share images Integrated Explore Scientific PMC-Eight system that transcends the industry standard single processor by utilizing eight CPUs that operate independently of one another to focus on defined functions which results in superior responsiveness efficiency reliability and astoundingly fast timing intervals. Clutched dual-axis worm gears with quiet precision stepper motor belt drives Intuitive ExploreStars app which is available for Apple Android and Windows tablets that makes it simple to operate the GOTO system. Through it users can quickly align their telescope navigate the stars and learn specifics about tens of thousands of celestial objects Clutched RA and Declination axes are smooth and allow for precise balancing which makes the process of repositioning your telescope efficient Polar alignment sight hole through the RA axis and precise altitude control for fast alignment without polar scope. Battery pack powering the PMC-Eight system uses 8 C batteries and is secured in a bracket on one of the tripod legs when in use Two 1 kg counterweights included Glow-in-the-dark markings on mount and tripod Package Contents: Explore Scientific 125x FirstLight 80mm Go-To Tracker Combo 25mm (1.25") Plossl Eyepiece 90 degree diagonal Red dot Finder Smartphone adapter battery pack 2 - 1kg Counterweights Explore Scientific FL-80640-iEXOS: 125x FirstLight 80mm & iEXOS-100 Go-To Tracker Combo Focal Length 640 mm Black/White