Gray card
id:
gray-card-179-7827371
title:
Gray card
text:
A gray card is a middle gray reference, typically used together with a reflective light meter, as a way to produce consistent image exposure and/or color in video production, film, and photography. A gray card is a flat object of a neutral-gray color that derives from a flat reflectance spectrum. A typical example is the Kodak R-27 set, which contains one 8 in × 10 in card and one 4 in × 5 in card, each with an 18% reflectance across the visible spectrum, and a white reverse side with a 90% refl
brand slug:
wiki
category slug:
encyclopedia
description:
Reflectance reference used in photography
original url:
https://en.wikipedia.org/wiki/Gray_card
date created:
2007-01-02T05:21:56Z
date modified:
2024-09-04T23:38:19Z
main entity:
{"identifier":"Q1361722","url":"https://www.wikidata.org/entity/Q1361722"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/e5/Graukarte.svg","width":900,"height":600}
fields total:
13
integrity:
16