Double Convex lens, also as bi-convex lens. It is the similar function with the plano convex lens, they are all positive lens used for focus beam. The used wavelength range as 190-2100nm. Material can be N-BK7,Fused Silica,CaF2,SF11,H-BaK4,H-BaK7,etc, other special requested can be customerized. Coating still available.
Optical Windows
