What is exposure mode

The English name for Exposure-exposure, exposure mode i.e. computer with natural light mode, usually divided into many, including: shutter priority, Aperture priority, manual exposure, AE lock, etc. Photos of good or bad and exposure-related, i.e. how much should pass lighting makes CCD can get a clear image. Exposure and light time (shutter speed), light area (

The English name for Exposure-exposure, exposure mode i.e. computer with natural light mode, usually divided into many, including: shutter priority, Aperture priority, manual exposure, AE lock, etc.

Photos of good or bad and exposure-related, i.e. how much should pass lighting makes CCD can get a clear image. Exposure and light time (shutter speed), light area (aperture).

Shutter and aperture priority:

In order to get correct exposure, you need the right combination of shutter and aperture.

Shutter speed, aperture will be larger; shutter, aperture will slow down. Shutter priority means the machine automatic metering system to calculate the exposure value of a quantity, and then you select the shutter speed is automatically decided to use the aperture. Aperture priority is determined by the machine automatic metering system to calculate the exposure value of a quantity, and then under your selected aperture size automatically determines how the shutter. Shooting, the user should be combined with the physical environment to enable exposure and shutter both regulation balance each other.

The larger the aperture, the unit time through more light, less otherwise.

Aperture's general representation for the letter "F + numeric, for example, F5.6," F4 etc. Here it is important to note that the smaller the number, the larger the aperture expressed, such as F4 aperture than F5.6 is large, and the two adjacent aperture value difference between two times, in other words the F4 than F5.6 through light to two times. By comparison, the shutter is defined as a very simple, that is, allow the light passing through the aperture of the time, expressed in numerical form is, for example, 1/30 sec, 1/60 second, equally between two adjacent shutter also twice the difference between the

The combination of aperture and shutter speed are formed exposure, exposure to certain circumstances, this combination is not the only one.

For example, current measured normal exposure combination to F5.6, 1/30 second, if you set the aperture to increase the level or F4, the shutter value becomes 1/60, such a combination to deliver proper exposure. Different combinations while you can achieve the same exposure, but taken out of the picture effects are different.

Shutter priority are manually defined shutter over the camera metering and gets the aperture value.

For example, shutter priority used for shooting moving object, especially in the most commonly used in the shooting sports. Many of my friends in photographing moving objects found that often the main shooting is ambiguous, it probably is because the shutter speed is not fast enough. In this case you can use shutter priority mode, perhaps a shutter speed value, and then to shoot. Because the shutter speed, light quantity may reduce, color light, this will require increased exposure to enhance the brightness of the picture. Objects are typically run regularly, then shutter values can also be estimated, for example shooting about pedestrians, shutter speed, you only need 1/125 sec is almost the same, but the fate of drops of water shot then you need to 1/1000 sec.

Manual exposure mode:

Manual exposure mode each time the camera is the need to manually complete the aperture and shutter speed adjustment, this benefit is convenient for the photographer in manufacturing different picture effects.

If you need a picture of the motion path, you can lengthen the exposure time, shutter speed, exposure increase; if required, the effect of making Dim shutter speed, exposure should be reduced. Although such autonomy is very high, but it is not easy to capture the moment, fleeting, time is not allowed.

AE modes:

AE full name for Auto Exposure, auto exposure.

Mode about can be divided into Aperture-Priority AE, shutter speed-priority AE, program AE, Flash AE-AE-and depth-first. Aperture Priority AE type is determined by the photographer to choose the size of the aperture, the scenery by the cameras according to the brightness, CCD speed and human choice of aperture, etc. information automatically selects the appropriate exposure required shutter time auto exposure mode, that is, Aperture, manual and shutter time automatic exposure modes. This kind of exposure mode is mainly used in priority the depth of field, such as shooting shooting landscapes, portraits and macro photography.

Multiple-spot:

Multiple-spot is on the scene brightness in different locations, flash compensation, and other approaches to achieve the best photographic effects, particularly suitable for shooting don't light objects.

First, the user is on the scene background, generally as photosource objects for metering, AE lock is then carried out; the second step is carried out on the backlit scenes, most professional metering or prospective professional camera automatically analyses, and use Flash as a fill light backlit objects.