Binocular Microscope Parts & Functions


The two dual eyepieces of binocular microscopes make it easier and more comfortable to view and analyze your lab specimen than mononcular microscopes. Read on to better know the parts and functions of your binocular microscope.


  • The dual binocular eyepiece contains the microscope's lenses and gives the user secondary magnification of the "objective," or the object being viewed--generally a specimen contained on a slide.

Mechanical Stage

  • The mechanical stage holds the object, or specimen slide samples, below the objective for viewing and allows the specimen to move left, right, forward and backward for examination.

Nosepiece and Objective Lenses

  • The nosepiece contains several rotating objective lenses, usually three, which magnify the image of the object on the stage below.

Condenser and Lamp

  • The base's built-in lamp provides light for the for the viewing area. Light from the lamp passes through the lenses of the condenser, which focuses the light on the microscope's viewing area.

Microscope Tube and Prisms

  • The microscope tube supports the dual eyepieces and multiple light refracting prism of a binocular microscope--light is split and directed to the binocular eyepieces.

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