COPYRIGHT © 2012 RED.com, Inc.
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ISO 100 - No Exposure Adjustment
In these extreme examples, it is clear that the RGB domain images are respectively very bright and very
dark. The histogram data reflects that, however you can also see that the sensor RAW meters are
unchanged. The exposure at the sensor at this point in time is the same. If you choose to close the iris to
reduce the brightness of the first image you will be reducing exposure at the sensor – this biases
exposure in favor of protecting the scene highlight. Alternatively, if you choose to open the iris to
increase the brightness of the image of the second image you will be increasing exposure at the sensor
– this biases exposure in favor of minimizing noise in the scene shadows.
The technique is similar in principle to re-rating a film stock. With practice, the ISO rating can be used as
a tool to assist ideal exposure based on the dynamic range identified within the scene.
Summary of Contents for EPIC-M
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Page 247: ...COPYRIGHT 2012 RED com Inc 955 0002_v3 3 Rev B 246 246 246 246 APPENDIX M RESOLUTION CHART ...
Page 248: ...955 0002_v3 3 Rev B COPYRIGHT 2012 RED cm Inc 247 247 APPENDIX N MENU MAPS ...