AmScope 40X-1600X Lab Clinic Vet Trinocular Phase Contrast Microscope 40X-1600X eight widefield magnification settings Simul-focal trinocular head boasts unique features Adjustable 23mm photo port and C-mount adapter included 3D two-layer mechanical stage with coaxial coarse and fine focusing and iris Abbe condenser Phase contrast kit includes three phase contrast plan objectives, 10x, 40x and 100x, three phase contrast rings and a CT lens