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.