Tag: Diffuse incident light

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Cloudy Day lighting

Cloudy day lighting (or cloudy day illumination) are very diffuse incident lights that do not produce any shadows. They are well suited for the inspection of shiny and curved objects. This type of lighting includes dome lighting, tunnel lighting and coaxial lighting.
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Coaxial lighting

Coaxial lighting is diffuse incident light or bright field lighting. The light of an LEDsurface illumination is coupled laterally via a semi-transparent mirror into the beam path of a camera and projected onto the test object. This ensures that the test object is illuminated very evenly and without shadows. The light from the test specimen […]
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Dome lighting

The best diffuse incident light is obtained with dome lighting. They provide homogeneous light from all directions and are therefore often referred to as “cloudy day illumination”. They are ideal for shiny and/or uneven test surfaces, as scratches and unevenness are softly illuminated. Surfaces appear quite homogeneous and therefore structureless. It is important to keep […]
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Tunnel lighting

Tunnel lighting is an elongated, tunnel-like variant of dome lighting. It is ideal for illuminating cylindrical objects made of metallic and shiny materials. Tunnel lighting from Büchner can be found here.
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