iris diaphragm
iris diaphragm
Definition
iris diaphragm
noun
a device consisting of thin, overlapping metal blades that can be adjusted to form an aperture of varying size for camera lenses, etc.
iris diaphragm
Usage Examples
Converse of object
- have: The substage condenser has an iris diaphragm and filter carrier.
- close: Perhaps the easiest methods are to offset a partially closed condenser iris diaphragm or the image of the light source.
Noun used with modifier
- condenser: Perhaps the easiest methods are to offset a partially closed condenser iris diaphragm or the image of the light source.
- substage: Open the substage iris diaphragm fully, since the condenser needs to be operating at maximum aperture.
- contrast: It is important that you fully open the contrast iris diaphragm.
Browse dictionary entries near iris diaphragm
- iris
- iridosmine
- irido-
- iridium
- iridic
- iridescent
- iridescence
- irides
- iridectomy
- irid
