# 90mm Aperture, 900mm Focal length (F10) # 10m (90X) and 25mm (36X) Super Plossl 31.7 mm eyepieces # 6X30 Finderscope # ALt-Azimuth AZ3 mount and Aluminium tripod # Highest practical power: 180X Over 60% brighter than 70mm telescopes (125% brighter than a 60mm scope) with better quality eyepieces and a sturdier mount.