***** **********Best Quality Guranteed. *****9x50 finder scope with 50mm objective lens diameter, brighter DSOs directly visible. *****Makes a large number of aditional stars available - a big plus for being able to successfully locate objects. *****The achromatic optics provide a bright, true-to-life image at 9x magnification. In addition, the optical surfaces have been multi-coated to prevent irritating reflections. *****Adjustment of finder scope alignment via two screws and spring. *****Folder fits onto most telescopes, easy focusing at the objective lens.