It is how detailed the object.

The first known optical instrument that merits the designation of "microscope" was probably the device created by the Dutch youngster _____.

It uses light rather than using beam.

It uses electrons rather than light for image formation.

It is generally considered to be the first microscope. It was created in the 17th century by Antony van Leeuwenhoek, who combined a convex lens with a holder for specimens.

This is the part of the microscope that holds two or more objective lenses and can be rotated to easily change power.

This is an adjustment that determines how close the objective lens can get to the slide.

Used for focusing finer details of specimen being viewed.

It connects the eyepiece to the objective lenses.

It holds two or more objective lenses and can be rotated to easily change power.

10x powers

4x power

40x power

A rapid control which allows for quick focusing by moving the objective lens or stage up and down. It is used for initial focusing.

Supports the tube and connects it to the base.

The lens at the top that you look through, usually 10x or 15x power.

It has different sized holes and is used to vary the intensity and size of the cone of light that is projected upward into the slide.

A steady light source (110 volts) used in place of a mirror.

The bottom of the microscope, used for support.