This Olympus BX41 digital HD phase contrast microscope is equipped for brightfield, phase contrast, and darkfield. This comes complete with a trinocular viewing head and HDMI / USB output camera with 12" viewing screen. It comes with phase 10x, 20x, 40x, and 100x oil objectives. The phase turret condenser allows for phase contrast, brightfield, and darkfield. This used microscope can be customized further to meet your needs and comes fully serviced with a warranty. Specifications Head: Trinocular w/ c-mount & HD Camera Eyepieces: 10x Eyepieces Nosepiece 5 Position Objectives: Ach / Plan Phase 10x, 20x, 40x, 100x oil Stage: Mechanical XY Condenser: Phase Turret Condenser- Phase, Brightfield, Darkfield Green Interference Filter Focusing Coarse & Fine Light Source: Halogen Warranty: One Year Mechanical