Lighting
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Lighting PowerPoint PPT Presentation


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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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Lighting

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Lighting

Hard and Soft Light


  • 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


  • coherence (quality)

  • color temperature

  • intensity

3 Basic Characteristics


  • 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


  • 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 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 Light


  • 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 Lighting


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

Soft Lighting


  • The letters are hard to read and the shadow of the flower has all but disappeared.

Soft Lighting


  • 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 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


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

Soft Lighting


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

Soft Lighting


  • 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


  • 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


  • The same problems are encountered when you photograph shiny metallic objects, such as jewelry and silverware.

Ultra Soft lighting


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

Ultra Soft lighting


  • 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


Ultra Soft Lighting


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