GoPro Hero 5 Session - Manual (Page 28)

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ISO Limit
ISO applies only to the Video capture mode. This setting determines
the camera’s sensitivity to light in low-light environments, and creates a
tradeoff between brightness and resulting image noise. Image noise refers
to the degree of graininess in the image.
In low light, higher ISO values result in brighter images, but with greater
image noise. Lower values result in lower image noise, but darker images.
The way that ISO Limit is applied depends on the Shutter setting:
• Shutter set to Auto: The ISO Limit that you select is used as the
maximum ISO value. The ISO value that is applied might be lower,
depending on the lighting conditions. Available ISO modes are 1600,
800, and 400.
• Shutter not set to Auto: The ISO Limit that you select is either used
as the maximum ISO value (if you select Max as the ISO Mode) or is
locked at that value (if you select Lock as the ISO Mode). Available ISO
modes are 1600, 800, and 400.
PROTUNE PROTUNE
Shutter
The Shutter setting in Protune applies only to Video and determines the
amount of time that the shutter is open. The options available for this
setting depend on the FPS setting, as noted in the following table. The
default setting is Auto.
Settings
Example 1:
1080p30 Example 2:
1080p60
Auto Auto Auto
1/FPS 1/30 sec 1/60 sec
1/(2xFPS) 1/60 sec 1/120 sec
1/(4xFPS) 1/120 sec 1/240 sec
PRO TIP: For best results when using the Shutter setting, mount your
camera on a tripod or other stable surface to reduce the amount of blur in
your video or photos.
Sharpness
Sharpness controls the quality of details captured in your video footage or
photos. Options for this setting are High (default), Medium, and Low.
PRO TIP: If you plan to increase sharpness during editing, turn this
setting off.
Darker image
Lower image noise Brighter image
Greater image noise
400 800 1600