The term Binoculars are referred to optical equipment which consist of two little telescopes joined together. Binoculars were made in the 17th century during which time telescopes were invented. Binoculars are used for watching distant objects and are also termed as field glasses. In the context of antique, almost all types of binoculars are in demand by antique collectors and the most demanded pieces are of 18th and 19th centuries by serious collectors.