D50灯管的色温为5000K被世界印刷业公认为标准色温(ICC标准),通常运用在印刷或前置出版的领域。其条件恰与白天阳光下相近,色彩虽比较正常,但不容易发现黄墨的变化,故较适合于观看原稿。其品牌有:飞利浦 PIHLIPS,奇异GE,格林达 麦克贝斯 GretagMacbeth等。产品符合国际标准化组织(ISO)在2000年对标准观察环境和标准光源做出了规定,即ISO3664:2000标准。
GE F20T12-C50-ECO 5000K
GE F40C50/ECO/UPC 5000K
GretagMacbeth F20T12/50 5000K 20W Made in Canada
GretagMacbeth F40T12/50 5000K 20W Made in Canada
PHILIPS TL-D 90 DE LUXE 18W/950 Made in Holland
PHILIPS TL-D 90 DE LUXE 36W/950 Made in Holland
PHILIPS TL-D 90 Graphica 18W/950 Made in Holland
PHILIPS TL-D 90 Graphica 36W/950 Made in Holland
PHILIPS TLD 58W/950 (60") T8 Made in Holland.
OSRAM L18W/950 COLOR proof
OSRAM L36W/950 COLOR proof
Just Daylight 5000 ProGraphic
Graphiclite 100 F17T8/GL50 D5000 Color Viewing Lamp
Graphiclite 100 F25T8/GL50 D5000 Color Viewing Lamp
Graphiclite 100 F32T8/GL50 D5000 Color Viewing Lamp
GE F20T12-C50-ECO 5000K
GE F40C50/ECO/UPC 5000K
GretagMacbeth F20T12/50 5000K 20W Made in Canada
GretagMacbeth F40T12/50 5000K 20W Made in Canada
PHILIPS TL-D 90 DE LUXE 18W/950 Made in Holland
PHILIPS TL-D 90 DE LUXE 36W/950 Made in Holland
PHILIPS TL-D 90 Graphica 18W/950 Made in Holland
PHILIPS TL-D 90 Graphica 36W/950 Made in Holland
PHILIPS TLD 58W/950 (60") T8 Made in Holland.
OSRAM L18W/950 COLOR proof
OSRAM L36W/950 COLOR proof
Just Daylight 5000 ProGraphic
Graphiclite 100 F17T8/GL50 D5000 Color Viewing Lamp
Graphiclite 100 F25T8/GL50 D5000 Color Viewing Lamp
Graphiclite 100 F32T8/GL50 D5000 Color Viewing Lamp