This Olympus IX71 is configured with Relief Contrast which is the Olympus equivalent of Hoffman Modulation Contrast. The binocular viewing head has a built-in centering telescope and comes with a pair of 10x/22mm FOV eyepieces. The 6 position nosepiece comes with UPlanFL N 4x PhL, CPlanFL N RC1, LUCPlanFL N 20x and 40x RC objectives. The IX2-MLWCD condenser has RC1, RC2, RC3, and brightfield positions. This refurbished microscope can be fully customized and comes fully serviced with a warranty. Specifications Head: Binocular w/ Centering Telescope Side Photo Port Eyepieces: 10x Eyepieces Nosepiece: 6 Position Objectives: UPlanFL N 4x PhL CPlanFL N RC1 LUCPlanFL N 20x RC2 LUCPlanFL N Corr 40x RC3 Stage: XY Mechanical Condenser: IX2-MLWCD w/ RC1, RC2, RC3, BF Focusing Coarse & Fine Light Source: Halogen 12v 100w Warranty: One Year Mechanical, 6 Month Electrical