The Phase Contrast kits are available with powers of 10X, 20X, 40X, and 100XR Oil. Each Phase Contrast kit has three components: phase condenser, phase objectives, and a centering / telescoping eyepiece. The M2 LabScope, Mi5, and i4 Phase Kit includes a “Turret” phase condenser, with 10X, 20X, 40X, and 100X phase settings and bright field settings together on one condenser.
