Gamma Disp. Assist

Movies with S-Log gamma are assumed to be processed after shooting in order to make use of the wide dynamic range. Movies with the HLG gamma are assumed to be displayed on HDR-compatible monitors. They are therefore displayed in low contrast during shooting and may be difficult to monitor, using [Gamma Disp. Assist], contrast equivalent to that of normal gamma can be reproduced. In addition, [Gamma Disp. Assist] can also be applied when playing back movies on the camera's monitor/viewfinder.

  1. MENU → (Setup) → [Gamma Disp. Assist].
  2. Select the desired setting using the top/bottom sides of the control wheel.

Menu item details

Off:
Does not apply [Gamma Disp. Assist].
Auto:
Displays movies with an [S-Log2→709(800%)] effect when the gamma set in [Picture Profile] is [S-Log2], and with an [S-Log3→709(800%)] effect when the gamma is set to [S-Log3]. Displays movies with an [HLG(BT.2020)] effect when the gamma set in [Picture Profile] is [HLG], [HLG1], [HLG2] or [HLG3], and [Color Mode] is set to [BT.2020].
Displays movies with an [HLG(709)] effect when the gamma set in [Picture Profile] is [HLG], [HLG1], [HLG2] or [HLG3], and [Color Mode] is set to [709].
S-Log2→709(800%):
Displays movies with an S-Log2 gamma reproducing contrast equivalent to ITU709 (800%).
S-Log3→709(800%):
Displays movies with an S-Log3 gamma reproducing contrast equivalent to ITU709 (800%).
HLG(BT.2020):
Displays movies after adjusting the image quality of the monitor or viewfinder to a quality that is almost the same as when movies are displayed on an [HLG(BT.2020)] compatible monitor.
HLG(709):
Displays movies after adjusting the image quality of the monitor or viewfinder to a quality that is almost the same as when movies are displayed on an [HLG(709)] compatible monitor.

Note

  • Movies in the XAVC S 4K or XAVC S HD format with the [HLG], [HLG1], [HLG2], or [HLG3] gamma are displayed with an [HLG(BT.2020)] effect or [HLG(709)] effect depending on the movie’s gamma value and color mode. In other situations, movies are displayed according to the gamma setting and color mode setting in [Picture Profile].
  • [Gamma Disp. Assist] is not applied to movies when displayed on a TV or monitor connected to the camera.
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