Iso Limit; Sharpness - GoPro Hero 4 session Quick Start Manual

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ISO LIMIT

ISO Limit adjusts the camera's sensitivity in low-light environments,
and creates a balance between brightness and resulting image noise.
Image noise refers to the degree of graininess in the image.
Setting Resulting Quality
Moderately bright video in low light,
1600 (default)
moderate image noise
Darker video in low light, reduced
400
image noise
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SHARPNESS

Sharpness controls the level of detail and contrast in your video.
Setting Resulting Quality
On (default) Moderately sharp video
Softer video that allows for more flexibility
Off
during post-production
PRO TIP: If you plan to increase sharpness during editing, turn this
setting off.
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