A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction. a straightforward lens consists of one piece of clear material, whereas a lenses consists of many straightforward lenses (elements), sometimes organized on a standard axis. Lenses area unit made up of materials like glass or plastic, and area unit ground and polished or wrought to a desired form. A lens will focus light-weight to create a picture, in contrast to a prism, that refracts light-weight while not focusing. Devices that equally focus or disperse waves and radiation apart from actinic ray are known as lenses, like microwave lenses, negatron lenses, acoustic lenses, or explosive lenses. Buy Original and Best quality Lens at best price from computer village. we ensure the best service at your doorstep all over Bangladesh.