The main problem with film flash photography is that the lighting effect cannot be seen until a print has been made. Additionally, the position in which the flashgun is mounted to the camera is less than ideal for some types of photography, portraiture for example, since it produces a very flat light, and casts disagreeable shadows. Good results therefore require the photographer to understand how they can manipulate this set-up, and knowledge stems from careful experimentation and experience.
There are two ingredients to successful film flash photography. The first is correct exposure. Every flashgun has a “guide number” for every speed of film (although the number for 100 ASA/ISO is most frequently used), and that number is based on the flash firing at the subject directly. The higher the guide number, the more powerful the flashgun is, although some manufacture’s …Read More →