Browse our selection of Olympus phase contrast infinity corrected objectives for BX, CX, and IX series microscopes — precision UIS2 objectives with integrated phase rings for high-contrast imaging of transparent, unstained biological specimens including live cells, bacteria, tissue culture, and micr
Each phase contrast objective contains an internal phase ring that must be matched to the corresponding annulus in the condenser (Ph1, Ph2, or Ph3) to produce the phase contrast effect.