it holds and revolves the objective lenses.

Sagot :

Answer:

Revolving Nosepiece or Turret: This is the part that holds two or more objective lenses and can be rotated to easily change power.

Answer:

Revolving Nosepiece

Explanation:

The revolving nosepiece may be a part of a microscope that holds and revolves around the target lenses. The viewer spins around the nosepiece to pick different objective lenses, each with different magnifications. The revolving nosepiece is called a turret/rotating turret.

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