Digital Cameras

How does a camera control light levels?


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Answered 2011-03-03 15:58:17

The iris of the camera allows more or less light to enter the camera.


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An autoiris is a camera iris which adjusts automatically based on light levels.

longer the shutter is opened, the more light that can get in.

Fine because they are traffic control cameras

The aperature can control the amount of light that comes into the camera just like the pupil of the eye.

Their pupils get bigger. Simple. Same with camera and lens.

In most cases you do not have control over the light. It is a warning and reminder that the camera is on.

Light enters your camera by moving your desktop lamp on where your camera is focused at.

No, camera lens does not reflect light but it does refract light.

A camera refracts light on to the screen.

no camera can see what our eyes can't see as radiations i tried by my self using the camera of my mobile phone it can see the light radiations comming from any remote control although we can not see it by our eyes

Basically channels are the basic elements of color information and the Levels are the light information of an image. We can control the color by giving light prominence to a particular channel using levels. Levels will only identify the dark, mid-tone, highlight value of an image. Levels also able to modify light values on a channel.

The Shutter and the Aperture are the two controls the Shutter is used to control how long the Film is exposed for and Aperture is used to control how much light is let in

As in a camera, this part is usually called an iris diaphragm. It can make the aperture bigger to let in more light, or smaller to make the image sharper. The shutter in a camera is not the same thing.

the hole in the front of a camera can be made bigger or smaller to control how much light gets in. Your eyes work in a similar way. To much light can damage your eyes, so your pupils get smaller when it is very bright and in dim light your pupils get very bigger to let more light in

Any film camera with a light meter, and every digital camera, has a sensor that will do that.

no one knows why its impossible does control sugar levels?

the Sony 200 camera would be a good camera in any light. This camera has four different flash modes so you would be able to adjust the flash for whatever light you in.

The hole in the shutter allowing light into the camera.

The lens is the part of the camera that bends the light and does the focusing.

You can't see infrared light without a special camera.

The lens are the first thing that light touches when entering the camera.

Answer 1A very brief and very over-simplified description is that a camera is: 1. a "box"2. with a light sensitive media [film or electronic light sensing grid] at the back side,3. with an opening [lens or pin hole] at the front to admit light from a subject and to form an image on the media,4. and a method [a diaphragm to control the intensity of the light, and a shutter to control the length of time the light is allow to strike the media] of controlling the amount of light getting to the media.

"PHOTOGRAPHY" is a combination of two latin words, foto- which means "light", and grafis- which means "control". "Photography", from this context, therefore means "the control of light". Essentially, that is what a photographer does: he or she controls light that enters a camera or imaging device, so that an image is produced properly.

These are some of the differences between the camera and the human eye.the human eyes uses living cells while the camera is artificial,the eye focus the image using the retina while the camera changes the position of the lenses,the amount of light enters the eye is control by the iris while in camera it is by the diaphragm,

Camera lenses collect light and focus it on an area in the camera that records this image created by the lens. Complex camera lens correct for various kinds of distortion in the light collected.

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