An easy-viewing, large-aperture porro-prism binocular series, assuring casual, clear observation in a wide range of applications, with a choice of four cost-effective models. With the incorporation of large-aperture objective lenses for improved light-gathering power, the new series has been developed to provide a bright, clear field of vision for casual, effortless viewing in a variety of applications, even for first-time binoculars users.