The two faces of a double concave lens can be thought of as originally being part of a sphere. The fact that a double concave lens is thinner across its middle is an indicator that it will diverge ...

A plano-concave cylindrical lens is used to expand light in on axis. A negative cylindrical lens is able to diverge collimated input light away from a line. Plano-concave cylindrical lenses are used ...

Due to a wide range of applications such as phones, eyeglasses, and binoculars, the diverging lens segment held the largest market share in 2019. Binocular and telescope dealers place concave ...