extraneous light

extraneous light

[ik′strān·ē·əs ′līt]
(graphic arts)
Undesired illumination striking photographic area or copy field.
References in periodicals archive ?
Extraneous light, otherwise known as glare, is the greatest source of eyestrain to computer users.
This cuts out most of the extraneous light from distant street lights that would otherwise get into the 'scope.
A more robust mechanical design, the new nylon frame features wide side temples and a shelf along the top edge of the frames, which help prevent extraneous light from entering the glasses, reducing internal lens reflections.
This process of suppressing extraneous light is complex, expensive and only partially effective: even after decades of refinements, the best filters are not 100% percent successful at blocking the bleed through of non-specific photons.
REDUCE GLARE -- Extraneous light, or glare, is the greatest source of eyestrain for computer users.
i-Fi multi-stage lens coatings filter transmitted light and protect the lens, with anti-reflective properties that cuts down on distracting glare and extraneous light.
GE's LED lamps, which feature advanced optical controls that reduce wasted extraneous light, were installed in phases at Red Robin's chain of restaurants in November and December 2008, and February and March 2009.
These products of ecomagination(SM), available as spots or floods, feature advanced optical control to concentrate the white LED light on the targeted area and effectively diminish wasted extraneous light.
The apparatus is presented in an enclosure at SIGGRAPH to keep out extraneous light with a window to look in to see the 3-D sculpture in motion.
This engineering advance means that extraneous light boxes and fiber-optic cables are no longer necessary, thereby freeing up space in the dental operatory.
Info Peripherals' new process filters out extraneous light to scan entire objects that, when they appear on screen or in print, maintain their three-dimensional perspective in a two-dimensional format.