Immersion Oil, Greatly increases light-gathering power with high-power objectives, Each

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Greatly increases light-gathering power with high-power objectivesFormulated to give refractive index of 1.5150 ± 0.0002 for D line at 23°C (73°F)Nondrying, so index will not change when exposed to airContains no polychlorinated biphenyl (PCB) compoundsConforms to ISO 8036/1 specificationsStandard for all oil-immersion microscopyType A oil has low viscosity and low fluorescenceType B is a high-viscosity oil used in biomedical microscopyType NVH is a high-viscosity oil that meets requirements for horizontal, inverted and inclined instruments and projection equipmentType FF oil is virtually nonfluorescentType DF is a very low-fluorescence oil for fluorescence microscopy with very high resolutio