STATESVILLE HAUNTED PRISON Â®. The Prisoners have rioted, the guards have fled, a darkness has seized control of this Maximum Security Prison and our Warden has opened the gates for visitors.
Substage: The area under the stage, called the substage, may contain a diaphragm, a. condenser, or both. Diaphragm: The diaphragm regulates the amount of light passing from the light source. through the specimen and through the lens system of the microscope.
Condenser Lens-This lens system is located immediately under the stage and focuses the light on the specimen. Control knobs located just behind and underneath the condenser control the up and down movement of the condenser. Field Diaphragm Control-The base of the microscope contains the field diaphragm.