Iris Diaphragm (Noun)
Meaning
Diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening.
Classification
Nouns denoting man-made objects.
Examples
- The iris diaphragm is a common component in cameras and microscopes that controls the amount of light entering the device.
- To regulate the intensity of the stage lighting, the technician carefully adjusted the iris diaphragm to achieve the desired effect.
- An iris diaphragm was incorporated into the optical system of the telescope to fine-tune the light exposure during celestial observations.
- By manually rotating the handle of the iris diaphragm, the laboratory assistant precisely controlled the diameter of the opening in the apparatus.
- In optical instruments, the iris diaphragm provides an effective means of controlling light transmission through a circular aperture.