Forms of lenses Lenses are classified from the curvature of The 2 optical surfaces. A lens is biconvex (or double convex, or perhaps convex) if both of those surfaces are convex. If the two surfaces possess the similar radius of curvature, the lens is equiconvex. A lens with two concave https://napkinpodge30627.diowebhost.com/78666891/5-essential-elements-for-렌즈-도수