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Lighting | Digital Photography - Class 8 PDF Download

Introduction

Earlier, we talked about how your camera uses shutter speed and aperture to control how much light reaches the sensor. However, these settings are only part of the equation; the other part is the actual lighting. Lighting can come from the sun, your camera's flash, a lamp, or ceiling lights. The direction, brightness, and color of the lighting can have a dramatic effect on the appearance of your photos.
Lighting | Digital Photography - Class 8

Lighting basics

In any photo, the light will fall on the subject in a certain way, creating highlights (bright areas) and shadows (dark areas). The highlights and shadows create contrast, which can help to make the photo more interesting but can also create problems in some situations. For example, if you're taking a portrait you probably don't want your subject's face to be covered in shadow or overwhelmed by harsh light. You'll usually want a balance of highlights and shadows so your subject's features are clearly visible.

White Balance

Cameras capture colors according to the available light and they can be changed by adjusting the color temperature. White Balance allows you to adjust and balance RGB colors (red, green, and blue) with black and white.

In the photo below, the subject's face has highlights and shadows, but they look natural and not overpowering.
Lighting | Digital Photography - Class 8

On the other hand, if you want a dramatic photo, you may want more contrast. In the photo below, the photographer has used dark shadows to add an artistic touch to the photo.
Lighting | Digital Photography - Class 8

Outdoor photos

If you're taking photos outdoors during the daytime, your main source of light will usually be the sun. Depending on the time of day and the weather, the sun can give your photos a variety of "looks." Of course, good photo moments can happen at any time of day, so you may not be able to wait for the perfect light. If you are aware of how the light can affect your photos, you'll be able to make adjustments to get the best results.

High-contrast situations

On bright, sunny days, having the sun behind your subject can cause the subject to look too dark. That's because the contrast is too high for your camera to capture accurately, so it adjusts the exposure to darken the entire photo. If this happens, try to find an angle where the background isn't as bright.
Lighting | Digital Photography - Class 8Lighting | Digital Photography - Class 8

Many photographers actually use their flash on sunny days to reduce unwanted shadows. This is known as fill flash because it "fills in" the shadows with additional light. You should only use fill flash when you notice problematic shadows; in other situations, flash may make the photo look worse.

The golden hour

Many photographers find that their photos look best when taken just before the sun sets, or just after it rises. This is commonly known as the "golden hour". Since the sun is lower in the sky, it creates longer, softer shadows. These shadows can add contrast to your photos while still giving them a soft, pleasant appearance. In addition, the sunlight has a more golden color, which adds warmth to your photos.
In the photo below, the subject's face has highlights and shadows, but they're not too harsh.
Lighting | Digital Photography - Class 8

Midday

Around the middle of the day, the sun is higher in the sky, so it will shine down on your subject. This can create dark shadows and bright highlights, which can give your photos a harsher appearance. If you are taking photos of people, their eyes may be completely in shadow. Sometimes, you may be able to reduce these shadows by turning on your camera's flash, although this won't work if your subject is too far away. You can also ask your subject to face a different way to try to reduce the shadows.
Lighting | Digital Photography - Class 8

In the photo below, you can see bright highlights on the subject's forehead, while her eyes and mouth are mostly shadowed.

Cloudy weather and twilight

The softest light occurs when the sun is covered by clouds, or when it's just below the horizon. Because the light is soft, your camera will be able to pick up details that may have otherwise been covered by shadows. This can also be a very good time to photograph flowers and other colorful objects.
In the photo below, the lighting on the subject's face is very even, with no harsh highlights or dark shadows.
Lighting | Digital Photography - Class 8

Indoor photos

For indoor photography, your light sources can include lamps, ceiling lights, sunlight through a window, and your camera's flash. This gives you more flexibility, as you can move lights or turn them on or off to control the direction and brightness of the lighting.
Lighting | Digital Photography - Class 8Generally, the more light you have, the better your photos will turn out. However, you'll also need to think about the quality of the light, as some types of light are more flattering than others.

Your camera's flash

You may be tempted to use the flash for all of your indoor photography, but pictures taken with flash often have dark shadows and bright highlights that can be harsh and unflattering. You may want to try turning off the flash and working with the other lights you have. You can turn the flash back on if you find that your pictures aren't coming out.

In the photos below, the left photo was taken with the camera's flash, which causes harsh shadows to appear behind the subject. The right photo was taken without flash, which gives the photo a more natural look.

Lighting | Digital Photography - Class 8

Indoor lighting tips

In professional studio photography, there will usually be a primary light (often called a key light), which is located off to the side but still in front of the subject. There can also be a second light called a fill light, which is located on the other side of the subject to help reduce shadows. Sometimes the photographer will use other lights as well. This type of lighting setup will usually cost hundreds or even thousands of dollars.
Lighting | Digital Photography - Class 8

If you're not a professional photographer, you probably don't have these types of lights. However, if you have lamps or a sunny window you can still position your subject to make the most of the lights you have. Here are a few tips you can use to take better indoor photos:

  • Avoid having a sunny window behind your subject: This can make the background too bright, which will make the subject look too dark. Try moving the subject or the camera so the sunlight hits the subject from the side or at a 45-degree angle.
    Lighting | Digital Photography - Class 8
  • Try turning off the ceiling lights and using one or two lamps as the light source: If you have two lamps, put one on each side of the subject to act as the key light and fill light. Remember, your camera can adjust the shutter speed and aperture to let in more light, so the picture won't necessarily be too dark.
  • Use a tripod: If the lighting isn't ideal, a tripod will help prevent blurry photos.
  • Try using the Party/indoor scene mode: This mode is designed for low-light situations.
  • If you must use the flash, move your subject away from the wall: This will help to reduce dark shadows behind your subject.
  • Experiment: The great thing about digital cameras is that you can view a photo right after you take it and then make adjustments. Try retaking the photo with different lighting, and see which version looks best.

The document Lighting | Digital Photography - Class 8 is a part of the Class 8 Course Digital Photography.
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