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visual photometer in which parts of the test and comparison field are viewed simultaneously and are adjusted to equality of brightness, visuaalne paistvusmõõtur, kus katse- ja võrdlusvälja osi vaadeldakse samaaegselt ja kohandatakse heleduse võrdsusega
võrdpaistvusfotomeeter . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/v%C3%B5rdpaistvusfotomeeter/1/est (29.07.2026)