Grasp 170% more light then a 6x30 Finder.  Spot objects that elude a smaller scope. The difference is easily noticable, resulting in faster location of objects and more comfortable viewing.This large, fully-coated achromatic finderscope features a crosshair eyepiece, 9x magnification and a 50mm aperture objective lens. It provides a brighter, sharper image in this series of finder telescope. It features a diecast mounting bracket with spring loading for easy alignment.