ISO Speed/Gain

ISO Speed/Gain

Depending on the shooting conditions you may want to adjust the brightness of the image. You can do so by changing the ISO speed or gain value to adjust the sensitivity of the sensor.

61

Operating modes:

Available ISO speed and gain settings

 

1-stop increments

320*, 400, 800, <850>**, 1600, 3200, 6400, 12800, 20000*

ISO Speed

 

 

1/3-stop increments

320, 400, 500, 640, 800, <850>**, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 6400,

 

8000, 10000, 12800, 16000, 20000

 

 

 

 

 

Gain

Normal

-6 dB, -3 dB, 0 dB, 3 dB, 6 dB, 9 dB, 12 dB, 15 dB, 18 dB, 21 dB, 24 dB, 30 dB

 

 

Fine

0 dB to 24 dB in 0.5 dB increments

 

 

 

 

*The minimum and maximum ISO speeds are available even when the 1-stop increment scale is selected. **ISO speed required for a suitable dynamic range for Canon Log gamma. Equivalent to a gain value of 2.5 dB.

Changing the ISO Speed or Gain Value

1 Open the ISO Speed/Gain [Select] submenu.

[~Camera Setup] >[ISO/Gain] >[Select]

2 Select [ISO] or [Gain] and then press SET.

If you selected [ISO] (the default value):

3 Open the [ISO Increment] submenu to select the increment to use when adjusting the ISO speed.

[~Camera Setup] >[ISO/Gain] >[ISO Increment]

4 Select [1 stop] or [1/3 stop] and then press SET.

5 Adjust the ISO speed using the direct setting mode.

•Repeatedly press the FUNC. button to highlight the ISO speed display, select the desired value and then press SET. For details refer to Using the Direct Setting Mode (A57).

If you selected [Gain]:

3 Open the [Gain] submenu to select the increment to use when adjusting the gain.

[~Camera Setup] >[ISO/Gain] >[Gain]

4Select [Normal] (3-dB increment) or [Fine] (0.5-dB increment) and then press SET.

5 Adjust the gain using the direct setting mode.

[~Camera Setup]

[ISO/Gain]

[Select]

[ISO]

[~Camera Setup]

[ISO/Gain]

[ISO Increment]

[1/3 stop]

[~Camera Setup]

[ISO/Gain]

•Repeatedly press the FUNC. button to highlight the gain display, select the desired value and then press SET. For details refer to Using the Direct Setting Mode (A57).

NOTES

[Gain]

[Normal]

•If you set an assignable button to [FUNC. ISO/Gain] (A99), you can press the button to enter the direct setting mode with the ISO speed/gain highlighted and ready to be adjusted.