Panasonic Lumix S9 Owner's Manual page 414

Special Video Recording – Log Recording

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 %.
- 8 - 8 - 7 - 7 - 6 - 6 - 5 - 5
Reflectance ratio
(%)
0
(1) 18
(2) 90
•
When luminance is to be displayed by "Stop" units, this camera calculates IRE 42 %
to "0 Stop".
（10 bit code value） （10 bit code value）
1024 1024
- 4 - 4 - 3 - 3 - 2 - 2 - 1 - 1
When [Photo Style] is set to [V-Log]
IRE (%)
7.3
42
61
960 960
896 896
832 832
768 768
704 704
640 640
576 576
512 512
448 448
(1)
384 384
320 320
256 256
192 192
128 128
64 64
0 0
0 0 1 1 2 2
Stop
—
0.0
2.3
414
(2)
3 3 4 4 5 5 6 6
10 bit code
value
128
433
602
7 7 8 8
（Stop） （Stop）
12 bit code
value
512
1732
2408