Questions about exposure for new photographers

1. The use of exposure lock is mainly to recompose the shot after locking the exposure. Regardless of the metering mode, exposure lock may be used. Usually, you don’t push it up to meter and lock it and then retract it to take the picture. Instead, you move the picture to a brightness environment that is roughly the same as the subject, lock it, and then compose the picture.

2. Which method is not advisable in the snow? It is theoretically possible but cannot be controlled when shooting. It is difficult to determine the standard for locking a dark place in the dark, which leads to uncertainty in the exposure of the snow. It is best to It's still compensation. Generally, if you shoot normally and add one stop, it will be white.

3. Photos with accurate exposure have a lot of leeway in post-processing. It can be adjusted back if it's almost too close, but it won't be good if it's too close.

4. Shoot in raw format. Professional software can adjust the dark and bright parts separately.