Understanding Exposure

Most DSLR cameras have exposure compensation, you can adjust the exposure in meters measured from the camera. But what does that really mean and how can we apply it in the practice of photography?

Read on to find out the answer to the question: What is Exposure Compensation?

What is Exposure Compensation?

You - if you look at the camera, you will see a button or menu with a small + and see. This button is your exposure compensation. Press is a line graph, labeled with the numbers from -2 to +2 (or in some cases, -3 to +3), bring marked in increments of 1/3. These are your numbers EV. With these numbers, divide the camera more light (exposure compensation) or less light (negative exposure compensation).

What does this mean in practice? Well, I say that you gave the camera meter reading 1/125 (shutter speed) to F5.6 (aperture). If you damages in the exposure to +1 EV, the switch opening F4 to open the membrane. This means that you can actually choose from overexposure. Conversely, if the situation if you require EV negative.

Why use exposure compensation?

Most people will ask at this point why they want to use the exposure compensation. The answer is simple: There are some occasions when the camera exposure meter can be deceiving. One of the best known examples of this situation when there is an abundance of light around your subject ... For example, if a building surrounded by snow. DSLR will probably try the light through the opening and use a shorter shutter speed. This results in the main subject is underexposed.

By dialing in exposure compensation, you should make sure that your subject is correctly exposed. And so being able to do in the third increases, and we hope that we avoid the rest of the image will be vulnerable. In turn, this situation may be reversed, if a lack of available light.

Bracketing

Sometimes I use bracketing an important opportunity for a shot, which has difficult lighting conditions. Bracketing simply means that I can take a snapshot in the recommended reading meters from the camera, with the negative exposure compensation, and the other to the positive exposure compensation. It has many DSLRs also work AEB (AEB), which automatically takes three shots with a click of the shutter. It should be noted that these are generally -1/3EV and EV 1/3 EV, even if some devices allow you to specify the amounts of positive and negative exposure compensation.

Principle can be compared with the exposure compensation the effect of changing the ISO of the camera. To download the ISO increases the noise of your photos and exposure compensation is almost always the best choice!