Exposure when [v-log] is set – Panasonic Lumix S5 Mirrorless Camera User Manual
Page 277
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10. Recording Videos
277
Exposure When [V-Log] Is Set
The [V-Log] curve characteristics comply with “V-Log/V-Gamut
REFERENCE MANUAL Rev.1.0”. When set to [V-Log], the standard
exposure when gray with a reflectance ratio of 18 % is imaged is IRE 42 %.
0
When luminance is to be displayed by “Stop” units, this camera calculates IRE 42 %
to “0 Stop”.
When [Photo Style] is set to [V-Log]
Reflectance ratio
(%)
IRE (%)
Stop
10 bit code
value
12 bit code
value
0
7.3
—
128
512
1
18
42
0.0
433
1732
2
90
61
2.3
602
2408
0
Luminance can be checked by “Stop” units:
[
]
¨
[
]
¨
[Luminance Spot Meter] (
[
]
¨
[
]
¨
-8
-8
-7
-7
-6
-6
-5
-5
-4
-4
-3
-3
-2
-2
-1
-1
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
0
0
64
64
128
128
192
192
256
256
320
320
448
448
512
512
576
576
640
640
704
704
384
384
768
768
832
832
896
896
960
960
1024
1024
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