Diffuse lightingexample

A : Lens　B : Light source　C : Reflected light enters into the lens to cause glareD : Reflected light doesn’t reach the lens, creating shadows

Diffuse lightingOpenGL

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Diffuse lightingPhotography

Some of the most difficult targets to properly illuminate are three-dimensional objects that are highly-reflective (e.g. medical devices, electronic components, etc).With typical lighting, images of these objects usually contain areas with extreme glare, while other parts of the target are dark.By using a diffuser attachment, light is uniformly spread over an area to provide the best possible illumination for clear observation of the target.