Panasonic Lumix S1H Operating Instructions Manual page 309

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 grey with a reflectance ratio of 18% is imaged is IRE 42%.
- 8 - 8 - 7 - 7 - 6 - 6 - 5 - 5
Reflectance
ratio (%)
0
18
1
90
2
When luminance is to be displayed by Stop units, this camera calculates IRE 42% to
0
0 Stop.
Luminance can be checked by Stop units:
0
[ ] [
[ ] [
（10 bit code value） （10 bit code value）
1024 1024
960 960
896 896
832 832
768 768
704 704
640 640
576 576
512 512
448 448
384 384
320 320
256 256
192 192
128 128
- 4 - 4 - 3 - 3 - 2 - 2 - 1 - 1
When [Photo Style] is set to [V-Log]
IRE (%)
7.3
42
61
] [Luminance Spot Meter] (l 292)
] [Zebra Pattern] (l 293)
11. Special Video Recording

64 64
0 0
0 0 1 1 2 2 3 3
10 bit code
Stop
value
—
128
0.0 433
2.3 602

4 4 5 5 6 6 7 7
（Stop） （Stop）
12 bit code
value
512
1732
2408
8 8
309