- iris-lens diaphragm
- Irislinsendiaphragma n, Diaphragma n irido-lenticulare
Fachwörterbuch Medizin Englisch-Deutsch. 2013.
iris-lens diaphragm
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iris diaphragm — noun diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening • Syn: ↑iris • Hypernyms: ↑diaphragm, ↑stop * * * noun : an adjustable diaphragm of thin opaque plates that can be turned by a… … Useful english dictionary
Iris diaphragm — I ris di a*phragm An adjustable diaphragm, reminiscent of the iris of the eye in its action, by which the diameter of an approximately circular opening may be controlled, as for regulating the aperture of a lens; it consists of a number of… … The Collaborative International Dictionary of English
iris diaphragm — n an adjustable diaphragm of thin opaque plates that can be turned by a ring so as to change the diameter of a central opening usu. to regulate the aperture of a lens (as in a microscope) … Medical dictionary
Diaphragm (optics) — A 35 mm lens set to f/8; the diameter of the seven sided entrance pupil, the virtual image of the opening in the iris diaphragm, is 4.375 mm In optics, a diaphragm is a thin opaque structure with an opening (aperture) at its center. The role of… … Wikipedia
Iris — The iris is the circular, colored curtain of the eye. Its opening forms the pupil. The iris helps regulate the amount of light that enters the eye. The eye has a number of other key components. These include the cornea, pupil, lens, retina,… … Medical dictionary
iris — n. 1 the flat circular coloured membrane behind the cornea of the eye, with a circular opening (pupil) in the centre. 2 any herbaceous plant of the genus Iris, usu. with tuberous roots, sword shaped leaves, and showy flowers. 3 (in full iris… … Useful english dictionary
iris — (or irising) an earlier cinematographic technique or wipe effect, in the form of an expanding or diminishing circle, in which a part of the screen is blacked out so that only a portion of the image can be seen by the viewer; usually the lens… … Glossary of cinematic terms
iris diaphragm — Optics, Photog. a composite diaphragm with a central aperture readily adjustable for size, used to regulate the amount of light admitted to a lens or optical system. Also called iris. [1885 90] * * * … Universalium
iris shutter — a camera shutter having a group of overlapping blades that open and close at the center when exposing film. Also called between the lens shutter, diaphragm shutter, iris diaphragm shutter. * * * … Universalium
iris diaphragm — /ˈaɪrəs daɪəfræm/ (say uyruhs duyuhfram) noun a composite diaphragm with a central aperture readily adjustable for size, used to regulate the amount of light admitted to a lens or optical system. Also, iris …
iris shutter — a camera shutter having a group of overlapping blades that open and close at the center when exposing film. Also called between the lens shutter, diaphragm shutter, iris diaphragm shutter … Useful english dictionary
