What lens can be used with oil?

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Multiple Choice

What lens can be used with oil?

Explanation:
Oil immersion boosts resolution by matching refractive indices between the lens and the slide. This works best with a high-power objective that is designed for oil immersion, typically the 100x lens. The other magnifications operate as dry objectives in air, so using oil there doesn’t improve image quality and can cause contamination. So the lens that can be used with oil is the 100x objective.

Oil immersion boosts resolution by matching refractive indices between the lens and the slide. This works best with a high-power objective that is designed for oil immersion, typically the 100x lens. The other magnifications operate as dry objectives in air, so using oil there doesn’t improve image quality and can cause contamination. So the lens that can be used with oil is the 100x objective.

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