Noise reduction.

[jnet6]

hi all users of Z series,
just wanna ask if u turn off/on the noise reduction, will there be any image different?..
reason to turn off : the processing image time is taking too long in manual mode.
fireworks will be gone by the time u process the image...
any1 can help.. thks!

 

[alpie]

As I know noise reduction kicks-in only for shots longer than 1 sec.