Aperture: 114mm (4.5") Focal length: 900mm Eyepiece: 1.25-inch, H4mm, H12.5mm and H20mm Barlow lens, Erecting lens Item # 114F900AAperture: 114mm (4.5")Focal length: 900mmFinder scope: 6 x 30Eyepiece: 1.25-inch, H4mm, H12.5mm and H20mm2x Barlow lens, 1.5x Erecting lensAluminum tripod with accessory tray 4.5" Reflecting Telescopes Item No. 114/900A