Lènsa
caption: Lensa
caption: 1 - Symmetrical double convex lens. 2 - Asymmetrical double-convex lens 3 - Plano- convex lens. 4 - Positive meniscus lens. 5 - Symmetrical biconcave lens. 6 - Asymmetrical biconcave lens. 7 - Plano-concave lens. 8 - Negative meniscus lens.
caption: Diagram penelisikan sinar kanggo lensa konvergen
caption: Lensa cekung
caption: Sawijining jinislensa cembung asperis.
caption: 1: Penampang lensa Fresnel 2: Penampang lensa plano konveks kanthi daya kang padha