The Iris
The type of light that turns on automatically when a door opens is called a motion sensor light.
The aperture.
right
Put the dome light switch on door located on the headliner to the side of the light
A camera shutter is like a curtain that opens and closes to control how long light enters the camera. When the shutter opens, light enters the camera and hits the image sensor or film. The longer the shutter is open, the more light enters, and the brighter the image. The shutter speed determines how quickly the shutter opens and closes, affecting the amount of light that reaches the sensor.
The shutter.
It opens up its vagina, and the baby spiders come out covered in jizz.
A factory opens that mass produces light bulbs.
Try looking at the main light on the roof, should have a 3 way switch, one position will be "All OFF', 1 will be "Always ON", 1 will be ON when any door opens.
The shutter of a camera opens and closes allowing light into the camera, the hole in the shutter is the aperture.
there is no function of the aperture but there is a function of the shutter. the shutter opens and closes to a certain point, allowing light into the camera. The hole in the shutter is the aperture
no I can't think of a single example of anything that opens wider to allow less to enter.