4-layer multi-coated achromatic lens f/8 6" refractor Huge 9x50 achromatic finderscope Super 1.25" eyepieces Deluxe equatorial mount (EQ5) 6x20 polar scope, giant smooth rack and pinion 2" focuser with a 1.25" eyepieces Aluminium tripod with accessory 56% more light than 120mm, 116% more light than 102mm, professional-class instrument, allowing serious research of the planets.