a convex lens of power 4d is placed at a distance of 40cm

power 4dLive 4D Results for Magnum 4D, Sports ToTo, DaMaCai 1+3D, Sabah 4D, CashSweep 4D, Sandakan 4D & SingaporeUse the power of 4D to optimise your schedule with a fully integrated module making it easy to generate 4D plans. Learn more . 4D planning will transform your operation – read about