Typical lenses Telephoto lens, normal lens, wide-angle lens, fisheye lens. Telephoto lens - Narrow field of view- Minimal perspective distortions- Parallele lines remain parallelWide-angle lens - Useful for applications that require a large field of view (70 and 120 deg).- Straight lines in the world are mapped to roughly straight in the image. - Perspective distortions.Fisheye lens - Field o..