The shutter acts like the iris of the eye because it lets the proper amount of light.
The part of the eye that functions similarly to a shutter release is the iris. The iris controls the size of the pupil, which regulates the amount of light that enters the eye, much like a camera's shutter controls light exposure. When light levels change, the iris adjusts the pupil's size to ensure optimal vision, similar to how a camera shutter opens and closes to capture an image.
Siberian Iris is it's common name.
Leaf shutter and Focal Plane shutter.
Iris is the common name. The botanical family is Iridaceae. Iris germanica is the most common type.
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The iris diaphragm in a microscope controls the amount of light that passes through the specimen. By adjusting the size of the iris opening, you can regulate the brightness and contrast of the image being viewed.
The iris. - - - - - No. It's the eyelid. The shutter's function is to completely stop light from reaching the film (or the sensor, if you have a digital camera with a mechanical shutter). The iris in your eye cannot do this--only the eyelid can.
The noun 'iris' (lower case i) is a common noun; a general word for a part of an eye; a general word for a type of flowering plant.The noun 'Iris' (capital I) is a proper noun, the name of a specific person; for example Iris Chang, an American journalist or Canadian actress, Iris Quinn.
The part of the eye that is similar to the shutter in a camera is the iris. It regulates the amount of light entering the eye by adjusting the size of the pupil, functioning like a camera's aperture to control the amount of light reaching the retina.
Iris is a genus of plants in the Iridaceae family. Iris germanica is the most common type with the beards coming out of the throat. However there are blackberry lilies, snake's head iris, and vesper iris.
The pupil changes size because of a little organ called the iris. The iris works like a gate or like the shutter on a camera. It is nearly closed when the light is very bright. It is wide open in very little light.