Celestron 52334 TrailSeeker 100-45 Degree Spotting Scope(Black) Celestrons proprietary XLT fully multi-coated optics increase light transmission through the optical path to deliver crisp, high contrast images. Focus on a subject quickly, then fine tune the image using the dual focus mechanism with course and fine adjustments. Get the whole picture using the rotating tripod mount. This mount rotates a full 360 Degree and allows the eyepiece to be set in any viewing position. Get close to the action with a zoom up to 67x magnification or see the widest field of view at 22x and objective lens diameter is 100mm Perfect for those who want performance in an easy-to-carry package, the 100mm objective design lets in plenty of light while keeping the overall size of the scope to a minimum.