- 6. Special Video Recording
- Log Recording
Log Recording
Setting [Photo Style] to [V-Log] enables Log recording. Images finished with rich gradation can be created through post production processing.
[MENU/SET] [
]
[
]
[Photo Style]
Select [V-Log]
ISO Sensitivity When [V-Log] Is Set
The lower limit of available ISO sensitivity is [640] (when [Extended ISO] is set: [320]), and the upper limit is [51200].
The range of available ISO sensitivities is also different for [LOW] and [HIGH] in [Dual Native ISO Setting].
Reset the exposure if necessary when ISO sensitivity changes.
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%.
Reflectance ratio: 18%
Reflectance ratio: 90%
When [Photo Style] is set to [V-Log]
Reflectance ratio (%) |
0 |
18 |
90 |
IRE(%) |
7.3 |
42 |
61 |
Stop |
― |
0.0 |
2.3 |
10 bit code value |
128 |
433 |
602 |
12 bit code value |
512 |
1732 |
2408 |
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], images output via HDMI/SDI will darken. Using [V-Log View Assist] means you can output images with LUT data applied via HDMI/SDI.
[MENU/SET] [
]
[
]
Select [V-Log View Assist]
[Read LUT File] |
Reads LUT data from the card. |
Selects the LUT data to be applied from among the preset ([Vlog_709]) and registered LUT data. |
|
Applies LUT data to images output over HDMI. |
|
Applies LUT data to images output over SDI. |
Reading LUT Files
The following LUT data can be used: –The “.vlt” format, which meets the requirements specified in the “VARICAM 3DLUT REFERENCE MANUAL Rev.1.0” –File names consisting of up to 8 alphanumeric characters (excluding extension) Save the LUT data with a file extension of “.vlt” in the root directory of the card (the folder opened when the card is opened on a PC). |
Insert a card on which LUT data is saved into the camera.
Select [Read LUT File].
[MENU/SET] [
]
[
]
[V-Log View Assist]
[Read LUT File]
[Card Slot 1] / [Card Slot 2]
Press
to select the LUT data to read and then press [MENU/SET].
Press
to select the location to register the data, and then press [MENU/SET].
When registered items are selected, they will be overwritten.