LR4 optics are a type of optical lens that is designed to provide a wide field of view and a high level of image clarity. They are commonly used in cameras, binoculars, and telescopes. LR4 optics feature a four-element design that helps to reduce chromatic aberration and improve image quality. The lenses are also designed to be lightweight and durable, making them ideal for use in a variety of applications. LR4 optics are a great choice for anyone looking for a high-quality optical lens that can provide a wide field of view and excellent image clarity.