extraneous light

extraneous light

[ik′strān·ē·əs ′līt]
(graphic arts)
Undesired illumination striking photographic area or copy field.
References in periodicals archive ?
Robust insensitivity to extraneous light, the highly visible status LEDs and its minimal weight of just 4 grams round out the features of the transit time sensor.
The filter rack flips up and out of the way while still blocking extraneous light, enabling you to better enjoy the view through telescopes and binoculars.
The researchers created a mathematical model to help program these devices so that the camera and its light source work together efficiently, eliminating extraneous light, or "noise," that would otherwise wash out the signals needed to detect a scene's contours.
Extraneous light, otherwise known as glare, is the greatest source of eyestrain to computer users.
2] without extraneous light sources and performing simple measurements using lux meter.
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.
In this way a viewer sees the beams from all the pixel-HOEs simultaneously, but an advantage is that only 1% or less of extraneous light is passed through the screen.
Specimens were imaged at night to minimize extraneous light.
Its very functional integral sunshade slides forward and locks in place and a collapsing rubber eyecup blocks out extraneous light.