Binoculars are also known as field glasses. Binoculars have two telescopes installed side by side. The two telescopes are aligned so as to provide the same viewing direction. Binoculars are often used to view distant objects. They may vary in size based on design and application. Binoculars are designed to offer a three dimensional image unlike a monocular telescope. Magnification lens and prism are the two main accessories in binoculars. Magnification lenses help in viewing the object, and the prism helps in presenting the object in the right side up and correct direction. Without the prism, the object would look backward and upside down. Binoculars come in two basic designs: roof prisms binoculars and porro prism binoculars. Porro prism binoculars offer better image stabilization with less powerful lens as compared to roof prism binoculars. Size and design of a hunting binocular may vary depending on type of hunting and distance considered in the hunting process. Demand for hunting ...