ON PREDICTION | Power 4D

power 4d6. A convex lens of power +6 D is placed in contact with a concave lens of power –4D. What will be the nature and focal length of this combination ? (a) convex, 100 cm (b) convex, 50 cmSuperconcentrado Redensificador reafirmante-antiedad de Casmara. Fórmula avanzada que redensifica y redefine los contornos faciales. Casmara Power Lift 4D se compone de