Film cameras will be around for decades. Many pro cameras were made to last, unlike most current
digital options, which will obsolete from a software standpoint soon enough, if not mechanically first. 35mm, med format, and certainly large format cameras are in zero danger of becoming scarce anytime soon (view cameras are easy to make on a small production basis, and are relatively simple to repair). There's a glut of lenses out there at reasonable prices. The ongoing supply of film is what we need to worry about, esp color film. If Kodak goes down, there's no guarantee that Fuji will take
up the slack or provide reasonable substitutes in the color neg dept.