... objectives:LWD PL4x,N.A.0.10, W.D.22.3LWD PL10x,N.A. 0.25, W.D.6.2LWD PL20x,N.A ... . 0.40,W.D.3.1LWD PL40x,N.A ... . 0.55,W.D.2.2Infinity long working distance ... :LWD PH10x,N.A.0.25, W.D.6.2LWD PH20x,N.A.0.40, W.D.3.1LWD PH40x,N.A ... .0.55, W.D.2.2Coaxial focus system with ...