N-BK7 Plano-Convex Lenses (AR Coating: 1050 - 1700 nm)
20mm Diameter x -50 FL, NIR II Coated, Plano-Concave Lens
Plano Concave Lens Specifications and Applications | Shanghai Optics
Plano-concave focusing devices of high numerical aperture made of ENZ... | Download Scientific Diagram
A plano convex lens fits exactly into a plano concave lens.Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive index u1 and u2 and