Exposure Compensation - PowerPoint PPT Presentation

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Exposure Compensation

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sometimes determines the wrong exposure value needed to correctly expose the image. ... To lighten a picture, you increase the exposure ... – PowerPoint PPT presentation

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Title: Exposure Compensation


1
Exposure Compensation
  • Way to control your exposure

2
Cameras Meter
  • Selects an aperture/shutter speed combination
    that it believes will give a properly exposed
    picture.
  • sometimes determines the wrong exposure value
    needed to correctly expose the image.

3
Exposure Compensation
  • Slightly over-exposing the image or slightly
    under-exposing the image.

4
Why do we use it.
  • To ensure a properly exposed photo.

5
Universal Symbol
6
Exposure Compensation
  • Exposure Value
  • Adds more light to pictures
  • Makes Lighter
  • - Subtracts light from pictures
  • Makes darker
  • /- 2 EV

7
EV COMPARISION
8
Normal Exposure
  • Most average scenes reflect 18 of the light that
    falls on to them.

9
Bright Scenes
  • Reflect more than 18 of the light.
  • Beach Scenes
  • Bright sand
  • Snow covered landscapes
  • You need to subtract exposure (make darker)

10
Dark Scenes
  • Reflect less than 18 of the light falling on
    them.
  • Deep shadows
  • Dark Foliage
  • Black Cloth
  • You need to increase your exposure (make lighter)

11
Others
  • Subject against a very light background.
  • Main subject will be dark
  • Subject against very dark background.
  • Main subject will be to light.
  • Scenes with High Contrast

12
To sum it all up
  • To lighten a picture, you increase the exposure
    ().
  • To darken an image, you decrease the exposure (-)

13
  • http//www.photoxels.com/tutorial-exposure-compens
    ation.html
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