Lichtstörung 



175 



Lichtstrahl 



means, anti-halation substance. 

 -Störung halo disturbance. 



Licht-Kegel cone of light, luminous 

 cone. -KorpusKeln photons, -kreis 

 circle of light, halo, -lampe, 

 Ton- exciter lamp, -lehre optics, 

 photology (or physiological c), 

 -leitsystem condenser relay system 

 (film printing), -loch pupil (of 

 eye), opening for light, -messung 

 photometry, optometry (re: eye). 

 -mikroskop optical microscope, 

 light m. , light-optical m. 



Lichtmodulator light relay, any de- 

 vice adapted to reconvert cur- 

 rent into light or brightness 

 variations, e.g., television re- 

 ceiver lamps, Kerr cells, modulat- 

 ed neon lamps, c.-r. tubes, etc. 

 -, selbstleuchtender light relay 

 of the glow-tube, neon arc lamp, 

 sodium lamp, etc., type. 

 Fremdlicht- light relay of the Kerr 

 cell, Karolusc, etc. types 

 adapted to reconvert currents into 

 brightness variations by the use 

 of a constant independent ray 

 source. 



Licht-miihle radiometer, -netzantenne 

 light-socket antenna, 1. -circuit 

 a. -optik light optics, physical 

 o., geometrical o. of light rays. 

 -pause photographic tracing, blue 

 print, -phonograph sound-track 

 film player (without pictorial ac- 

 companiment), -quant light quan- 

 tum, photon, -quelle source of 

 light, illuminant. -quel 1 e, -punkt- 

 förmige punctiform light source, 

 pointolite, tungsten-arc lamp. 

 -quellenbild light source image. 

 -rakete flare, -ref lexionsvermö^en 

 light reflectance, 1. reflextivity. 

 -regier light relay, 1. modulator 

 (Kerr cell, etc.); light control 

 means, -reiz luminous stimulus. 



Lichtrelais light relay (Kerr cell, 

 Karolus cell, modulator, recorder 

 lamp, etc.); device convert;Lng 

 current into light variations. 

 -,elektrooptisches electro-optical 



Li 



Li 



cell, Faraday c, light-relay de- 

 pending on P. effect. Dberschall- 

 supersonic light-relay. 

 cht-säule light column (of glow 

 tube). -Schacht light tunnel (of 

 sensitometer). -scheue photo- 

 phobia, -schleuse, Vierband- four- 

 band or f. -ribbon light valve, 

 chtschluckend light absorbing, 

 optically absorptive, optically 

 absorbing. 



cht-schranke light barrier. 

 -schutzkappe light hood (phot.), 

 chtschwaches Bild low-luminosity 

 picture, p. of low brightness. 

 cht-schwachung light absorption, 

 1. loss, 1. diffusion, 1. dimming, 

 1. intensity drop, cutting down or 

 reduction of 1. -sinnprüf er vis- 

 ual photometer, -sirene light 

 chopper, c. wheel, -spalt light 

 slit, 1. aperture, 1. opening. 

 -spielhaus moving picture theater, 

 film playhouse, movie, -spritze 

 (Ewest'sche) recorder lamp with 

 constricted neon arc (system 

 Ewest). -spur light track, 1. 

 pattern, 1. tracing. 

 chtstarke luminous intensity, light 

 i.; power, speed, F number (of a 

 lens), -»gemessene luminance, 

 photometric brightness. Objekt! v- 

 speed or power (of a lens, etc. ), 

 F nuiriber. 



chtstarkemesser photometer. 

 chtstarkes Objektiv high-speed or 

 high-power objective, fast o. 

 Objektiv, hoch- ultra-rapid lens, 

 ultra-high-speed 1. 

 cht-st'arkevertei 1 ung light inten- 

 sity distribution (on photo-cathode). 

 -staub luminous dust (of dark 

 visual field). -Steuerung light 

 modulation; 1. scanning. -Steuerungs- 

 einrichtung light valve, light re- 

 lay, -steuerzel le, Oebye-Sears 

 supersonic light valve, D.-S. 1. 

 modulator. 



chtstrahl , wandernder flying spot 

 (for spotlight scanning), -(es), 

 maximaler Ausschlag des clash 



