Panasonic Lumix S5 Manual page 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 %.
- 8 - 8 - 7 - 7 - 6 - 6
Reflectance ratio
(%)
0
18
1
90
2
When luminance is to be displayed by "Stop" units, this camera calculates IRE 42 %
0
to "0 Stop".
Luminance can be checked by "Stop" units:
0
[ ] [
[ ] [
（10 bit code value） （10 bit code value）
- 5 - 5 - 4 - 4 - 3 - 3 - 2 - 2
IRE (%)
7.3
42
61
] [Luminance Spot Meter] (l 266)
] [Zebra Pattern] (l 267)
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
64 64
0 0
- 1 - 1
0 0 1 1 2 2
When [Photo Style] is set to [V-Log]
Stop
—
0.0
2.3
10. Recording Videos

3 3 4 4 5 5
10 bit code
value
128
433
602
6 6 7 7 8 8
（Stop） （Stop）
12 bit code
value
512
1732
2408
277