| slovo | definícia |
iris diaphragm
(encz) | iris diaphragm, n: |
Iris diaphragm
(gcide) | 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 movable thin
curved plates fastened at regular intervals around the inside
of a ring, the positions of which are simultaneously adjusted
by a single knob on the outside of the lens. It is used in
cameras and microscopes.
[Webster 1913 Suppl. +PJC] |
iris diaphragm
(wn) | iris diaphragm
n 1: diaphragm consisting of thin overlapping plates that can be
adjusted to change the diameter of a central opening [syn:
iris, iris diaphragm] |
| | podobné slovo | definícia |
Iris diaphragm
(gcide) | 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 movable thin
curved plates fastened at regular intervals around the inside
of a ring, the positions of which are simultaneously adjusted
by a single knob on the outside of the lens. It is used in
cameras and microscopes.
[Webster 1913 Suppl. +PJC] |
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