title: "Laachtm\u00e4\u00e4cht"
text: "At laachtm\u00e4\u00e4cht (ingelsk: luminous intensity, formeltiaken\u00a0Iv) as en miat f\u00f6r di laachtstruum uun en wasen r\u00fcmwinkel. Hat as en gr\u00fcnjmiat uun't SI-s\u00fcsteem. Det ianhaid het Candela (cd).\n\nBeskriiwang \nWan det laacht iin uun en r\u00fcmwinkel  strualet, do as det laachtm\u00e4\u00e4cht  di br\u00f6\u00f6k faan laachtstruum  (uun Lumen, lm) an r\u00fcmwinkel  (uun Steradiant, sr).\n\n{| style=\"border: 1px solid black; padding: 5px;\"\n|-\n|\n|}\n\nAmkiard as di laachtstruum  det produkt faan laachtm\u00e4\u00e4cht  an r\u00fcmwinkel .\n\n{| style=\"border: 1px solid black; padding: 5px;\"\n|-\n|\n|}\n\nBispalen \n\nOptik"