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● Setting
- Set photometric area size for measuring luminance
Set the following value to "ALCPhotometricAreaSize" register. The setting value is Enumeration type.
- Set a value of the reference luminance
Set the following value to "ALCReferenceLuminance" registers. These setting values are Integer type.
An Image luminance at ALC operation converges on a reference luminance.
(at ALCExposureValue = 0 [eV]).
Copyright © 2014 TOSHIBA TELI CORPORATION, All rights reserved.
Value
Full (*)
Medium
Small
Full = 100% (H:100% x V:100%)
Medium = 64% (H:80% x V:80%)
Small = 4% (H:20% x V:20%)
Fig.5-19 ALC Area
ReferenceLuminance
Minimum
Maximum
76 / 80
photometric area size
100% (Full pixel)
64% (H: 80% x V: 80%)
4% (H: 20% x V: 20%)
* initial factory setting
Value
0
255
* initial factory setting = 84
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