Celestron illuminated 9x50 finder scope with 90° view and correct image display - with illuminated double crosshair eyepiece and sturdy mount with quick release This finder scope makes it easy to find your way around the sky. It has an upright image, 90° view and a dovetail quick release for easy assembly and disassembly for transport. The eyepiece can be rotated to the right and left for comfortable viewing. Weight: 680g Length: 19cm Aperture: 50mm Magnification: 9x