THE KING of POWER 4D

power 4dAnswer:the power of a convex lens is always positive. as you can see here the power is +4D, therefore the nature of the lens is that it is a convex lens. we know, P = 1f. alsoPower4D merupakan situs judi slot on terpercaya dan terlengkap yang dilengkapi dengan lisensi resmi dari PAGCOR atau Philippine Amusement and Gaming Corporation.