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Revolving Nosepiece
Explanation:
Revolving Nosepiece, it holds the objectives lenses. It is movable and it can revolve objective lenses depending on the magnification power lenses.
Answer:
Revolving Nosepiece
Explanation:
It holds the objectives lenses. It is movable and it can revolve objective lenses depending on the magnification power lenses. This is also the part that holds two or more objective lenses and can be rotated to easily change power