fix stuck battery cover on your film camera

This applies to most Nikon, Pentax, Olympus and minolta cameras. These old cameras have been around a long time and some of the parts are bound to get stuck. There are many of these old cameras still around that are perfectly capable of making good photographs but the light meter has not functioned in decades because of an old battery the owner can't remove from the battery compartment. Here is the secret "back door" to change the battery in your camera without opening the battery compartment.