This empowers you to make lighter or darker pictures. Modern cameras have highly complex electronics . These are designed to take photos in the park on Sunday afternoon rather than in a rainforest or the arctic tundra. Exposure to humid conditions can damage electrical circuits and destroy your camera . I have had my fancy camera repaired three times to no avail.
Salt water is the greatest threat to standard cameras.
It is possible to obtain cameras that are designed for hostile environments but these are costly. The camera I will use in this tutorial was purchased over ten years ago. It has been on many forays under extreme conditions and still works perfectly. Digital cameras produce images that approach the quality of film. I have limited experience with these.