Lumia950 smartphone has a selfie camera. I’ve never bothered about such things, except to occasionally have someone else take a photo of me with my phone, like when having a new haircut or new spectacles. Taking selfies with a selfie camera is not easy! I now understand why some people use those long sticks on which to put the phone!
The image below is a close-crop of what is called a Living Image, meaning that a few nanoseconds of a moving image, ie video, is played before it becomes a still image. I don’t like this feature and have turned it off.