The field of vision of this microscope is brightly illustrated and used for most microscopic work.

The field of vision of this microscope is brightly Illustrated and used for most microscopic work.

the answer should be bright field microscope.

bright field microscopes are the simple popular form of a microscope illumination techniques. Bright field microscopes are usually used with compound microscopes. The light path of a bright field microscope is brightly illuminated and very simple. The light path is composed of a transillumination light source, and objective lens, the condescender lens, and oculars to view the sample image.