National Geographic EQ Telescope 114mm. With its equatorial mounting system the lightweight Newtonian reflector telescope can follow the Earths rotation to easily track an object as it moves through the night sky. Offering a 114mm aperture and a 500mm focal length the telescope comes with two Plssl eyepieces (26mm and 9.7mm) that produce images with excellent definition and contrast. The set also includes an adjustable tripod a red dot viewfinder Stellarium computer software and a star map. Specifications for National Geographic EQ Telescope: Manufacturer: National Geographic Color: Black Objective Lens Diameter: 114 mm Objective Aperture: 114 mm Focal Length: 500 mm Finderscope: Red-dot Condition: New Included Accessories: red dot viewfinder star map two Eyepieces Package Contents: National Geographic EQ Telescope National Geographic 80-10114: EQ Telescope 114mm