These Leupold Rogue Compact 10x25mm Porro Prism Binoculars are part of the Rogue Compact Series of binoculars, which combines all of your favorite features from the full-sized Rogue series into a more compact and portable design. Simply put, if you are looking for a high-powered set of binoculars that comes in a compact package, look no further than these Leupold Rogue Compact 10x25mm Porro Prism Binoculars.This set of binoculars features a fixed 10x magnification level and a 25mm diameter objective lens with multicoated lenses for increased light transmission and improved image quality. What more could you ask for in a pair of binoculars?