MetaGlossary.com: Manual Iris Lens

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Keywords: Iris, Aperture, Lens, Adjusted, Position

Related Terms: Accommodation, Aperture, Eyepiece, Focalize, Focusing, Iris Diaphragm, Lens, Macro Lens, Magnifying Glass, Objective, Parfocal, Telephoto, Telephoto Lens, Pinhole Lens, Fixed Focal Length, Barlow Lens, Varifocal Lens, Zoom Lens, Wide Angle Lens, Objective Lens, Extension Tubes, Aspherical, Telecentric Lens, Close-Up Lens, Abbe Condenser, Diopter Adjustment, Focuser, Kellner, Back Focus, Slr, Autofocus, Aspherical Lens, Micro Lens, Manual Iris, Mirror Lens, Diaphragm, Fixed Focus, Wide-Angle Lens, Prime Focus, Automatic Iris Lens, Extension Tube, Long Lens, Refracting Telescope, Tlr, Normal Lens, Rangefinder Camera, Manual Focus, Fixed Lens, Prime Lens, Teleconverter

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A lens with a manual adjustment to set the iris opening (aperture) to a fixed position. This type lens is generally used in fixed lighting conditions.

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A lens with a manual adjustment to set the iris opening (F-stop) to a given position. Generally used for relatively constant lighting applications.

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A lens that is manually adjusted to open or close the aperture according to the lighting conditions.

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A lens with a manual adjustment to set the iris opening in a fixed position. These are generally used for fixed lighting applications.

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A lens with a manual adjustment to set the iris opening (F-stop) in a fixed position.

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