HDR technology, (High Dynamic Range), appeared a long time ago for the photography sector and then for the video game sector, although, for the mobile phone, television and projector market, it was at the beginning of 2015 when it began a generalize. Since then, we have seen how multiple domestic elements related to the image have been incorporating it. This system, based on the rendering of the image, consists of imitating in a certain way the functioning of the iris of the human eye. Our eye has the ability to adapt to the level of light necessary to observe certain things, thus, in an open place or with a lot of light, the iris tends to close, while in very dark places, after some time, our iris opens to receive the maximum light possible and to be able to see objects that are in a place with almost total darkness more easily, thanks to this, we managed to see the northern lights, for example.