OMAX Interchangable Phase Contrast Kit with Three Phase Contrast Objectives (10X, 40X, 100X)

hello I'm Mike Thomas from LW scientific this is the eye for microscope and this video is about proper installation and use of phase contrast the microscope we're using today is the I for semen evaluation microscope which actually has the heated stage on it and it will also have phase contrast installed phase contrast is a way to view specimens that are unstained live movie or somewhat transparent it gives you a way of contrasting the specimen without the use of color stain by using indirect light in the phase contrast kit you will receive a phase turret condenser a centering eyepiece and four objectives which are the 10 X infinity plan phase plus a 20 X phase 40 X phase and 100x coil now let's talk about what makes a phase contrast objectives different each one of these objectives has a dark annulus ring built into it and if you look closely through the rear of the objective you can se