iris diaphragm shutter
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iris diaphragm shutter — Photog. See iris shutter … Useful english dictionary
Iris (diaphragm) — An iris is a mechanism that is used as a compact solution to close and open holes. Iris mechanisms are commonly found in optical shutters (diaphragms), and also in various kinds of valves. Irises are sometimes used in science fiction as doors. ee … Wikipedia
diaphragm shutter — noun : a camera shutter that opens from and closes to the center * * * Photog. See iris shutter … Useful english dictionary
diaphragm shutter — Photog. See iris shutter. * * * … 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 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
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
between-the-lens shutter — noun : diaphragm shutter * * * /bi tween dheuh lenz /, Photog. See iris shutter. [1905 10] … Useful english dictionary
Neutral density filter — Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds In photography and optics, a neutral density filter or ND filter can be a colorless (clear) or grey filter. An ideal neutral density filter reduces… … Wikipedia
Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… … Wikipedia
