Plano convex lenses are used in many applications including telescopes, collimators, magnifiers, opt
A plano-concave lens is compose of a plane and concave surface, has a negative focal length and nega
A double-convex lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Con
A double-concave lens is compose of two concave surface, has a negative focal length and are best us
An achromatic doublet is the combination of positive and negative elements with different refractive
Meniscus lenses can be used with another lens to produce longer or shorter focal lengths. These lens
Ball lens can be used in high temperature, pressure and toxic environment especially in fine chemica
Dome lens, full name is the spherical shield, in the monitoring system, protect the camera, with the