Celestron 21044 76mm PowerSeeker Telescope Affordable telescope for beginning astronomer; portable yet powerful All-glass optical components with high transmission coatings for enhanced image brighness and clarity Newtonian optical design with a 76mm aperture and 700mm focal length Altazimuth mount suitable for terrestial viewing as well as astronomical use Includes 3x Barlow Lens (1.25"), 20mm eyepiece, 4mm eyepiece, aluminum tripod with accessory tray