Samsung NX3300 Manuale Utente

Camera settings menu > 

User settings

Distortion Correct

You can correct lens distortion that might occur from lenses.  
This feature is available with lenses that support it.

iFn Customizing

You can select options that can be adjusted when you press [i-Function] 
on an i-Function lens. 

Set to adjust the aperture value.

Set to adjust the shutter speed. 

Set to adjust the exposure value.

Set to adjust ISO sensitivity.

Set to adjust the White Balance.