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Trade-offs with ISO adjustment

From: Up and Running with DSLR Filmmaking

Video: Trade-offs with ISO adjustment

Chad Perkins: In my mind, adjusting the ISO is just a really dangerous thing to do, or at least increasing the ISO is, and the reason why is because as you increase the ISO, you're making the sensor more sensitive to light which sounds good and it has its benefits, but also creates a much more noisy image. Brian Liepe: DSLR noise is super ugly. It moves poorly. It's got wonky colors. It's not monochromatic and it's just best to avoid it if at all possible.

Trade-offs with ISO adjustment

Chad Perkins: In my mind, adjusting the ISO is just a really dangerous thing to do, or at least increasing the ISO is, and the reason why is because as you increase the ISO, you're making the sensor more sensitive to light which sounds good and it has its benefits, but also creates a much more noisy image. Brian Liepe: DSLR noise is super ugly. It moves poorly. It's got wonky colors. It's not monochromatic and it's just best to avoid it if at all possible.

And later on in this training we'll look at some ways that you can decrease the amount of noise in your footage through some post-effects. But again, let's just try to avoid it when we're shooting. Chad Perkins: Now another thing that happens when you raise the ISO is that the colors become less saturated and just off a little bit. And because of the extreme compression that DSLR files go through, there is really not that much you can do about it in post. Brian Liepe: So if you are pressed for light in a certain situation and you do crank up your ISO, but it doesn't look like it has affected your image much because the monitor you're using doesn't show it, or your LCD screen doesn't show it because it's too small, just know that in post, when you look at that footage at its full resolution, you're going to see some ugly noise.

Later in this training we're going to look at something called native ISO, and that's an ISO setting that works best for that specific camera and creates the best quality image with the least amount of noise. So yeah, remember when your boost ISO you're going to get noise, but it could help you out in low light situations.

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This video is part of

Image for Up and Running with DSLR Filmmaking
Up and Running with DSLR Filmmaking

43 video lessons · 24448 viewers

Chad Perkins
Author

 
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  1. 2m 10s
    1. Welcome
      1m 25s
    2. About the camera used in this course
      45s
  2. 11m 35s
    1. Understanding photography
      44s
    2. Understanding aperture
      1m 51s
    3. Trade-offs with aperture adjustment
      2m 32s
    4. Understanding shutter speed
      1m 26s
    5. Trade-offs with shutter adjustment
      2m 41s
    6. Understanding ISO
      44s
    7. Trade-offs with ISO adjustment
      1m 37s
  3. 6m 37s
    1. Understanding sensor size
      1m 19s
    2. Protecting highlights and native ISO
      1m 24s
    3. Getting a custom white balance
      2m 27s
    4. Focusing for video
      1m 27s
  4. 9m 24s
    1. Using lenses
      1m 51s
    2. Understanding wide lenses
      2m 39s
    3. Understanding long lenses
      2m 32s
    4. Getting shallow depth of field
      2m 22s
  5. 12m 34s
    1. Using graphs to gauge exposure
      2m 1s
    2. Recording audio
      2m 42s
    3. Using a clapperboard
      1m 13s
    4. Shooting a "flat" image
      51s
    5. Using custom color profiles
      54s
    6. Shooting slow motion
      1m 19s
    7. Getting a beautiful shot
      3m 34s
  6. 13m 33s
    1. Why use Premiere Pro for editing?
      1m 21s
    2. Transcoding video
      2m 29s
    3. Combining video and audio streams
      2m 7s
    4. Cleaning up noise and adding grain
      3m 26s
    5. Color correcting footage
      4m 10s
  7. 6m 1s
    1. About DSLR pitfalls
      30s
    2. Avoiding rolling shutter
      51s
    3. Avoiding moiré
      1m 6s
    4. About limited latitude
      1m 56s
    5. About extreme compression
      1m 38s
  8. 7m 27s
    1. Why you need a monitor
      58s
    2. Using a viewfinder
      52s
    3. Stabilizing your camera
      1m 43s
    4. Moving your camera
      35s
    5. Using a follow focus
      37s
    6. Using a matte box
      1m 8s
    7. Using neutral density filters
      1m 34s
  9. 1m 17s
    1. The future of DSLR video
      54s
    2. Final thoughts
      23s

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