D65灯管F20T12/D65 D65灯管的色温：6500K，国际标准日光光源,平均北方日自然日光(或北窗光),代替自然光对色, 适合普通要求,大部分客户均指定用D65对色。其品牌有：飞利浦PHILIPS，喜万年SYLVANIA，OSRAM，VeriVide，GTI，通用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 F20W/AD ARTIFICIAL DAYLIGHT Made in Hungary GE F40W/AD ARTIFICIAL DAYLIGHT Made in Hungary VeriVide F20T12/D65 ARTIFICIAL DAYLIGHT， VeriVide F40T12/D65 ARTIFICIAL DAYLIGHT VeriVide Artificial Daylight CIE D65 F18T8/D65 MADE IN EU GretagMacbeth F20T12/65 6500K Made in Canada GretagMacbeth F40T12/65 6500K Made in Canada PHILIPS TL-D 90 DE LUXE 18W/965 Made in Holland PHILIPS TL-D 90 DE LUXE 36W/965 Made in Holland PHILIPS TL-D 90 Graphica 18W/965 Made in Holland PHILIPS TL-D 90 Graphica 36W/965 Made in Holland SYLVANIA STANDARD F20T12/D65 ARTIFICIAL DAYLIGHT SYLVANIA STANDARD F40W/54-765/RS DAYLIGHT SYLVANIA STANDARD F20W/54-765/RS DAYLIGHT GE F20T12-D-ECO Made in USA GE EJG-Q750T3/4CL 120V750W Made in Hungary OSRAM L 18W/965 BIOLUX Recyclable Germany OSRAM L 30W/965 BIOLUX Recyclable Germany OSRAM L 36W/965 BIOLUX Recyclable Germany OSRAM L 36W/954-1 LUMILUX de Luxe Daylight Recyclable OSRAM L 36W/954 LUMILUX de Luxe Daylight Recyclable GTI ColorMatcher F17T8/CM65 GTI ColorMatcher F25T8/CM65 GTI ColorMatcher F32T8/CM65 TOSHIBA FL20S.D-EDL-D65，FL40S.D-EDL-D65