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Module 9 · Level 2 — Intermediate

Metering, Histogram and Dynamic Range

You understand how the camera measures light, read the histogram and correct exposure in difficult light.

8 lessons · 1 h 4 min video · Animation · · 8/8 in English
Recommended prerequisite:
M8
  1. 9.1How does a camera measure light?In EnglishWhy do snow photos come out gray?The light meter assumes every scene is middle gray.8 min · visuals described in the audio version
  2. 9.2Metering modesIn EnglishWhich part of the scene is the camera looking at?Matrix looks at the whole frame, center-weighted at the middle, spot at a small point.8 min
  3. 9.3Exposure compensationIn EnglishWhy is that little +/- button so important?You correct the camera's decision with a single touch.8 min
  4. 9.4The histogramIn EnglishWhat does that mountain-shaped graph tell you?Left is dark, right is bright; where the mountain sits shows the exposure.8 min · visuals described in the audio version
  5. 9.5Over- and underexposureIn EnglishCan a blown-out photo be saved?Completely white areas cannot be recovered; turn on the highlight warning and zebras.8 min · visuals described in the audio version
  6. 9.6Dynamic rangeIn EnglishWhy does the sky always come out pure white?The sensor cannot capture in one frame a range of light as wide as the eye sees.8 min
  7. 9.7Difficult lightIn EnglishSnow, beach, concert: how do you fool your camera?Plus compensation in a bright scene, minus in a dark one.8 min
  8. 9.8Exposure lock and bracketingIn EnglishNot leaving it to luck in difficult lightAE-L locks the light, bracketing takes insurance frames.8 min

Module project

"White on white" and "black on black": two correctly exposed photos.