Niagara Power Vista

power 4dA convex lens of power 4D is kept in contact with a concave lens of power 3D, the effective power of combination will be . View Solution; Knowledge Check. A convex lens of focal length 40 cmWith intuitive scheduling, 4D BIM integration, a mobile app, and resource management features, it is used on projects of all sizes, empowering better project outcomes. Free Trial . Watch