Why is the Noise Reduction setting not selected by default?

Question

Cameras

Good night, tell me, in the settings there is such a moment as Noise reduction, but for some reason it is turned off by default.
It is logical to assume that this is a very useful thing, but what is the minus in it that it is not enabled by default?

Answer 1

Blurs the details. Read how it works.
www.2001photo.com/ru/photocourse/beginner/65-shumy...
radojuva.com/2012/01/hitrosti-na-nikon
lepser.ru/teoriya-fotografii/tsifrovoy-shum-chto-e...