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Direction of Light The direction of light is important because of shadows ,specifically those that are visible from camera position. Before you shoot take a moment to consider your alternatives Directions of light affects shadows
Controlling Light Size of the lens or the aperture openly controls the brightness of the light The aperture size is indicated by its f-number or f-stop The direction of light and its degree of diffusion affect the extent and intensity of the shadows, the reveal texture, and suggest volume Available light is the light that already exist in a scene Artificial light is the light you bring to a scene ( Electronic flashes and other flash units)
Diffusion Diffusion affects the quality of light Diffused light scatters onto the subject from many different directions Direct light creates hard edged light shadows Directional-diffused light is partially direct with some diffused or scattered rays
Outdoor and Indoor light On an overcast day, at dusk, or in the shade, the light will be diffused and soft Available light indoors can be flat depending on the source of light Light indoors is often relatively dim
Lighting with flash Flash units provide a convenient means of increasing the light, indoors or out The burst of light from an electronic flash is very brief Flash must be synchronized with the cameras shutter The easiest way to light a scene with flash is with direct flash on camera Manually controlled flash units emit a fixed amount of light