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Lighting. Hard and Soft Light. L ighting can emphasize important details or hide them. It can flatter a subject by bringing out positive attributes and it can de-emphasize or hide less attractive attributes. Lighting can even impart a sinister and hostile look,depending on how you use it.

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Presentation Transcript
lighting

Lighting

Hard and Soft Light

importance of lighting

Lighting can emphasize important details or hide them. It can flatter a subject by bringing out positive attributes and it can de-emphasize or hide less attractive attributes. Lighting can even impart a sinister and hostile look,depending on how you use it.

Importance of Lighting
coherance

often called quality, is the hardness or softness of light. Light quality is probably the least understood and the most neglected of the three variables.

Coherance
hard light

Light that is transmitted directly from a small point source results in relatively coherent (parallel) rays. This gives the light a hard, crisp, sharply defined appearance. The light from a clear, unfrosted light bulb, a focused spotlight, or the noonday sun in a clear sky, all represent hard light sources. 

Hard Light
hard light1

Hard light casts a sharp, clearly defined shadow. When hard light is used to illuminate a face, imperfections in the skin stand out. The result is less than flattering.

Hard Light
hard lighting

But in other applications, such as bringing out the texture in leather, or the engraving on a piece of jewelry, this can be an advantage.

Hard Lighting
hard lghting

Note in the photo how the writing stands out. Also note the clearly defined shadow of the flower at the bottom of the photo.

Hard Lghting
soft lighting

Soft (diffused) light has the opposite effect. Soft light tends to hide surface irregularities and detail.

Soft Lighting
soft lighting2

Spun-glass diffusers are used over the front of lights to soften and diffuse  their beams. At the same time, diffusers also reduce the intensity of light.

Soft Lighting
soft lighting3

Soft light sources are used in production to create a broad, even area of light. In the field, videographers often rely on umbrella reflectors to create a soft lighting effect.

Soft Lighting
soft lighting4

Because soft light tends to hide lines, wrinkles and blemishes, it's desirable in doing glamour work.

Soft Lighting
soft lighting5

A soft light source placed close to the camera minimizes surface detail. The effect is commonly referred to as flat lighting.

Soft Lighting
ultra soft ligting

There are a few occasions when ultra-soft lighting is necessary to keep video equipment from exceeding its brightness or contrast range limitations and as a result compressing (losing) important detail.

Ultra Soft Ligting
ultra soft lighting

Note that when standard lighting is used the reflections from the shiny objects drive down the video levels in the darker areas.  As a result, important detail is lost.

Ultra Soft Lighting
ultra soft lighting2

These problems can be fixed by using an extremely soft lighting setup — in this case the lighting tent.

Ultra Soft lighting
ultra soft lighting3

To create this ultra soft lighting the subject matter was surrounded by a white sheet, leaving only a small opening for the camera lens.  Three lights placed at different angles lit the outsides of the sheet.

Ultra Soft Lighting