When you create 3D you add depth to images and this depth makes the image looks real. The 3D retro effect looks like what you would see if you looked at an old 3D movie without the 3D glasses.
In iOS 26, the awesome new Spatial Scenes feature lets you convert an ordinary 2D photo to a 3D scene that moves in your hand. It doesn’t have to be a recent picture or one taken with a special camera ...