We supply our customers with bi-concave spherical lenses, anti-reflection coatings, custom substrate materials, dimensions and focal lengths upon request. A biconcave spherical lens has two spherical concave surfaces with the same radius of curvature, and their focal length is negative.
Request bulk or custom formats
1. Made of high quality UV grade fused silica BK7 glass; 2. Select from -25mm to -100mm focal length.
Beam Expanders; Relay Imaging; These lenses perform best when used in finite conjugate applications, typically for diverging convergent light.