BRIGHT FIELD MICROSCOPE

BRIGHT FIELD MICROSCOPE

· The bright field microscope is the most widely used type of Light microscope.

· Bright field microscopes are named because the microscopic “field” is bright, while the object being viewed is dark.

· Used to observe various Stained specimens and to Count microbes.

· Does not resolve very small specimens, such as Viruses.

Principle

· Light from an incandescent source is aimed toward a Lens beneath the Stage called the Condenser, through the Specimen, through an Objective lens, and to the eye through a second magnifying lens, the Ocular or Eye piece.

Uses

To observe various stained specimens and to count microbes: does not resolve very small specimens, such as viruses.

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