Exposure

Lesson Details

Subject: Shooting

Title: Exposure

Description:

Francisco helps you to switch from automatic mode to manual. In this lesson Francisco shows you how to manually control exposure.

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Transcript
 

So let's start off first with exposure. When you’re in auto mode, the camera is automatically reading the general f-stop, the iris level of the scene that it's seeing through the screen but in manual mode, you're determining what your exposure will be. Now that really comes into effect when you're shooting in extreme lighting conditions. You’re on the beach with a bright, bright sky and an ocean that’s reflecting the sun or you're in the desert sun is just bleaching out the water bleaching out the sky.

This is where you might want to go into manual mode. One thing to consider is what are you exposing? What’s the most important element in your shot you're exposing? Nine times out of ten it’s going to be the person. So for example, if that person is on the beach and the sky is just, just blown out and so is there face, you want to reach that level where the face is properly exposed or when you're on the desert and you want to show the person as a dot on the horizon and you want to be able to show the beautiful red burning sky and the sweeping clouds, you want to be able to stop down manually so that the sky is well exposed and perhaps the subject is in silhouette.

So those are the extreme situations when you're dealing with exposures and you need to ride your iris levels. The other aspect to exposures is there are features on some cameras that will guide you and hold your hand for example when you're shooting in extreme situations. So when you're riding the exposure and you're not quite sure if your shot is over or underexposed don't worry not alone. There some help for you and it's in the form of zebras. For example, this camera has a zebra button right over here and if you press zebra it'll be exactly what it's called.

You'll see stripes and those stripes represent the areas where the highlights are overexposed, areas where the highlights have no longer any more detail and that's when you want start riding your iris lower so that the zebras disappear. That's really, really beneficial especially when you're shooting outside in the bright sun and you can't quite see the monitor well or the viewfinder well and you’re kind of squinting through the brightness. The zebra is a really good function to have when you’re riding your iris.

© Michael Rosenblum & Lisa Lambden 2015