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Understanding sensor size

From: Up and Running with DSLR Filmmaking

Video: Understanding sensor size

Brian Liepe: One of the reasons these DSLRs have been such a huge hit is because of the size of their sensor. They are really big. This adds all sorts of benefits and one of them being its sensitivity to light. You can shoot in really low light situations. Chad Perkins: Right, but another aspect of the big sensors that these DSLRs have, is the very shallow depth of field, and I mean really shallow depth of field. Now a lot times this creates beautiful images, but sometimes this could be a real challenge when you want to get everything in focus, especially when you're shooting in really bright conditions.

Understanding sensor size

Brian Liepe: One of the reasons these DSLRs have been such a huge hit is because of the size of their sensor. They are really big. This adds all sorts of benefits and one of them being its sensitivity to light. You can shoot in really low light situations. Chad Perkins: Right, but another aspect of the big sensors that these DSLRs have, is the very shallow depth of field, and I mean really shallow depth of field. Now a lot times this creates beautiful images, but sometimes this could be a real challenge when you want to get everything in focus, especially when you're shooting in really bright conditions.

Now later on in this training series we'll look at some ways to manage excessive light, like when you're shooting outdoors, but this is definitely something to consider. Brian Liepe: The size of the sensor also affects the area which the lens can see. So in the Canon 5D we can see a lot more with the same lens then we can on the 7D because it has a smaller sensor. Chad Perkins: So it's almost like the Canon 5D makes all of your lenses wider because of a larger sensor? Brian Liepe: Exactly! This also means that with a 5D, we can achieve a much more shallow depth of field than we can with a 7D.

So just beware that with these sensor sizes, as big as they are on these DSLRs, some of them bigger than 35mm film that they can be a blessing and a curse.

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This video is part of

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Up and Running with DSLR Filmmaking

43 video lessons · 24455 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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