extraneous light

extraneous light

[ik′strān·ē·əs ′līt]
(graphic arts)
Undesired illumination striking photographic area or copy field.
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References in periodicals archive ?
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.
Deep-sky goggles
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.
Depth-Sensing Camera Gleans 3-D Information in Bright Sunlight, Darkness
Extraneous light, otherwise known as glare, is the greatest source of eyestrain to computer users.
Easy on the Eye
The quality and efficiency of light sources can be evaluated in dark room with the area about 30..50 [m.sup.2] without extraneous light sources and performing simple measurements using lux meter.
The means for evaluation of light source characteristics
This cuts out most of the extraneous light from distant street lights that would otherwise get into the 'scope.
'Light pollution: penetrating the veil'
* 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.- TradeArabia News Service
Dolby to unveil next-generation 3D glasses
A sheet of greaseproof paper between each item will help to block extraneous light and prevent transfer of dyes without trapping moisture.
the a to z of not so ordinary things; From removing lipstick stains with hairspray to cutting sticky cakes with dental floss, we've delved into the Reader's Digest Extraordinary Uses for Ordinary Things to find the most useful tips for the fashionista, beauty addict and domestic goddess
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.
LED LIGHT SOURCE A MAJOR ADVANCE IN FLUORESCENCE MICROSCOPY
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.
Pronova provides new Crown Estates sign
Specimens were imaged at night to minimize extraneous light. Conventional illumination was used, with the iris diaphragm fully constricted to provide maximum depth of field, to position and focus the image, after which the blacklights were switched on and all other sources of illumination (except computer monitor which was turned away from the microscope) were switched off.
A new technique for examining surface morphosculpture of scorpions
Its very functional integral sunshade slides forward and locks in place and a collapsing rubber eyecup blocks out extraneous light. The eyecup is even vented so it doesn't suck out your eyeball.
Dragunov's kin: with a few changes Romania's PSL has the looks and performance of the famous SVD
A lot of work is put into painting certain parts of the simulators black and hanging down curtains to keep out extraneous light sources.
Special ops aviators press industry to improve trainers

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