The co ncepts are what I'm try ing to get across. F or all the juicy details, be sure to check out the Exp osure Theory and More Info pages. In order for an image to be captured on film, it must be exposed to light. In photography, it is important to be able to measure light. Too much light can ruin a photograph, and so can too little.
Film reacts to light .
The more light you give to it, the brighter the image will be. Cameras come in all shapes and sizes. Three things all cameras have in common are a lens, an aperture, and a shutter .