Browse our selection of Olympus biological oil immersion infinity corrected objectives for BX, CX, and IX series microscopes — high-NA oil immersion objectives spanning the full magnification and correction class range for maximum resolution brightfield, fluorescence, phase contrast, TIRF, confocal,
With immersion oil matched to n=1.515, oil immersion objectives routinely achieve NA values of 1.25–1.45 — significantly higher than any dry objective — delivering maximum resolving power, fluorescence light collection efficiency, and optical section