Application Note

Shading In Large Image Sensors ...Why Are The Corners Of My Image So Black?

Source: PCO-TECH Inc.

Shading In Large Image Sensors ...Why Are The Corners Of My Image So Black?

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Application Note: Shading In Large Image Sensors ...Why Are The Corners Of My Image So Black?

The technical term "shading" describes the light fall-off observed towards the edges of an image. When applied to a digital camera system, "shading" describes the result of various physical phenomena such as lens vignetting and the angular dependence of quantum efficiency due to the use of microlenses. This effect is particularly important when selecting suitable lenses in applications using camera systems with large image format sensors such as the Kodak KAI-11000 (4008x2672 pixel) or similar image sensors in the same pixel size and resolution range.

The following application note details:

  • Shading
  • Optical Lens
  • Microlenses on Image Sensors
  • Reduction of Shading

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Application Note: Shading In Large Image Sensors ...Why Are The Corners Of My Image So Black?