Foundations of Photography: Flash

Exposure revisited


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Foundations of Photography: Flash

with Ben Long

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Video: Exposure revisited

To work effectively with a flash you must have a solid understanding of exposures, so we're going to review a couple of things here. Exposure of course is that combination of shutter speed, aperture, and ISO settings that yield a Given the level of brightness in your final image. What's more your exposure settings provide you with control of motion stopping in your image, as well as depth of field, and the amount of visual noise. The word exposure derives from the fact that when you press the shutter button on your camera The image sensor is exposed to light for a certain amount of time.
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  1. 1m 35s
    1. Welcome
      1m 35s
  2. 33m 1s
    1. Exposure revisited
      2m 22s
    2. How flash works
      2m 12s
    3. Balancing ambient light and flash
      3m 54s
    4. Shutter speed, aperture, and flash
      4m 11s
    5. Fill and key light with flash
      4m 13s
    6. Understanding flash range
      2m 47s
    7. Understanding flash modes
      5m 16s
    8. Flash sync options
      3m 2s
    9. Some notes about your camera's built-in flash
      5m 4s
  3. 32m 50s
    1. When to use fill flash
      1m 39s
    2. Using fill flash in auto and program modes
      2m 44s
    3. Fill flash in priority or manual modes
      2m 38s
    4. Using flash exposure compensation
      9m 14s
    5. Using fill flash to eliminate unwanted shadows
      5m 46s
    6. Using fill flash to darken a background
      5m 1s
    7. Using flash to supplement ambient light
      3m 48s
    8. Filling in for a bright sunset
      2m 0s
  4. 33m 53s
    1. Shooting a portrait with flash as the key light
      4m 27s
    2. Why use an external flash?
      3m 34s
    3. Flash power and recharging times
      4m 21s
    4. Flash zoom
      1m 45s
    5. Taking the flash off camera
      5m 35s
    6. Using a softbox
      5m 3s
    7. Balancing flash and window light
      4m 22s
    8. Paying attention to the light in the room
      3m 39s
    9. Flash and white balance
      1m 7s
  5. 54m 20s
    1. Bouncing flash to improve lighting
      13m 8s
    2. Alternative options for bouncing flash
      5m 12s
    3. Using slow sync with flash
      8m 50s
    4. Rear-curtain sync
      11m 54s
    5. Using radio controls to fire a flash
      4m 32s
    6. Working with manual flash
      10m 44s
  6. 25m 16s
    1. Building up to multiple flash units
      13m 3s
    2. Adding the second flash for fill
      5m 19s
    3. The third flash as a backlight
      6m 54s
  7. 7m 50s
    1. Which brand of flash should you buy?
      1m 27s
    2. Guide number considerations
      3m 13s
    3. Shopping recommendations
      3m 10s
  8. 42s
    1. Next steps
      42s

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Watch the Online Video Course Foundations of Photography: Flash
3h 9m Appropriate for all Dec 13, 2013

Viewers: in countries Watching now:

Harsh, unflattering lighting can ruin a photo—and with flash, it's easy to get harsh, unflattering lighting. But flash is a necessary part of a photographer's toolset—after all, the world doesn't always provide you with the best natural light.

Fortunately, it isn't difficult to get great results from flash, and in this course, photographer, author, and teacher Ben Long details the concepts and techniques behind effective lighting with flash. Ben starts with fundamentals that build on exposure principles taught in other installments of Foundations of Photography—simple techniques that improve the results from a camera's built-in flash. He then focuses on fill flash techniques and on using flash as a key light. The course also explores topics ranging from bouncing and syncing flash to shooting with one or more off-camera flash units.

Topics include:
  • How flash works
  • Balancing ambient light and flash
  • Understanding flash ranges and modes
  • When to use fill flash
  • Using an external flash
  • Bouncing flash to improve light
  • Building up multiple flash images
  • Purchasing a flash
Subject:
Photography
Author:
Ben Long

Exposure revisited

To work effectively with a flash you must have a solid understanding of exposures, so we're going to review a couple of things here. Exposure of course is that combination of shutter speed, aperture, and ISO settings that yield a Given the level of brightness in your final image. What's more your exposure settings provide you with control of motion stopping in your image, as well as depth of field, and the amount of visual noise. The word exposure derives from the fact that when you press the shutter button on your camera The image sensor is exposed to light for a certain amount of time.

How long it is exposed to light is controlled by your shutter speed setting. Shutter speed is pretty intuitive. A longer shutter speed means that the image sensor is exposed to more light. The lens in your camera has an aperature which can be opened or closed. An aperture that is open wider Allows more light to hit the sensor during the time that the shutter is open in addition different apature settings effect the depth of field in your image. Finally ISO controls the effective sensitivity of the image sensor a higher ISO setting means that your sensor needs less exposure to capture an image of a given brightness.

Now while you can calculate all of these settings by hand, your camera saves you this trouble through the use of its light meter. The light meter measures the light in your scene and calculates shutter speed, aperture, and possibly ISO settings that will yield and image with a nice level of brightness. It does all of this by measuring all of the ambient light in your scene. Sometimes, though, there's not enough ambient light in your scene to get a good exposure without having to use a very long shutter speed.

Now if your subject is moving or you're shooting hand held, then a long shutter speed may not be practical. That's just one instance where a flash can be useful. However as you'll see later, flash is not only used in low light conditions. You'll often find the greatest value for flash In very bright. Now if you are not clear on any of the exposure topics that I have glossed over here. Then take a look at my foundations of photography, exposure course which works through all of these topics in great details. Again you really need to have that solid knowledge of exposure theory before you move into working seriously with a flash.

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