page_title: Veiling glare
hierarchical_section_title: Veiling glare
caption_attribution_description: English: Measurement of unintended scattered and reflected light (veiling glare) with a camera. Deutsch: Messung von unbeabsichtigt gestreutem und reflektiertem Licht (Falschlicht) mit einer Kamera.
context_page_description: Veiling glare is an imperfection of performance in optical instruments arising from incoming light that strays from the normal image-forming paths, and reaches the focal plane. The effect superimposes a form of noise onto the normal image sensed by the detector, resulting in a final image degraded by loss of contrast and reduced definition.
context_section_description: Veiling glare is an imperfection of performance in optical instruments (such as cameras and telescopes) arising from incoming light that strays from the normal image-forming paths, and reaches the focal plane.  The effect superimposes a form of noise onto the normal image sensed by the detector (film, digital sensor, or eye viewing through an eyepiece), resulting in a final image degraded by loss of contrast and reduced definition.
caption: Veiling glare caused by stray light reflecting inside the camera or scattering in the lens
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