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MessagePosté le: 27 Nov 2017 à 10:00    Sujet du message:  Exposure compensation Répondre en citantRevenir en haut

Exposure compensation allows you to over or underexpose the image manually. This is most useful while using automatic or semi-automatic settings like Aperture or Shutter Priority. In the example of a backlit portrait, many photographers prefer to overexpose the camera’s suggested exposure, knowing that the reading will be wrong because of the lighting. You could certainly change your exposure metering to try and secure a more accurate reading, but with experience you can easily predict how the camera’s exposure meter will react ,and use exposure lock or exposure compensation as a more direct, and one-off, route to proper exposure.

Just keep in mind that the most challenging conditions for your camera’s exposure meter are high contrast situations, and with enough experience you will learn to “see” like your camera and easily be able to anticipate necessary compensations.

Selecting Different Focus Settings
To start with, there are two main categories of autofocus settings: Single and Continuous.

Single (One Shot on Canon) is intended for stationary subjects. When the camera finds focus in single servo mode, it holds that focus point until the shutter is released or the autofocus is released and re-activated.

However, single servo focusing can be very useful for action in certain applications. For example, one technique when shooting a moving, yet predictable subject, is to compose the image and lock focus on the spot where you know your subject will be, and wait for it to enter the frame (think panning).

In continuous focus mode, your camera will continually refocus while the autofocus is engaged. This is the setting to use if your subject, or you and your camera, are on the move. In continuous mode, many cameras allow you to choose how many focus points are live. Say you are shooting a sporting event and there are a lot of players, you may want to use fewer focus points in order to single out your subject.

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