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immersion objective
optics
Learn about this topic in these articles:
use in compound microscopes
- In microscope: Optics
An immersion objective requires a liquid, usually a transparent oil of the same R.I. as glass, to occupy the space between the object and the front element of the objective.
Read More - In microscope: High-power objectives
…microscope objective available is the immersion objective. When this type of objective is used, a drop of oil must be placed between the object on the microscope slide and the objective. The oil used has an R.I. that matches that of the glass in the first component of the objective.
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