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,GE,喜万年,OSRAM,SYLVANIA，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 HungaryGE F40W/AD ARTIFICIAL DAYLIGHT Made in HungaryVeriVide F20T12/D65 ARTIFICIAL DAYLIGHT，VeriVide F40T12/D65 ARTIFICIAL DAYLIGHTVeriVide F65T12/D65 ARTIFICIAL DAYLIGHTGretagMacbeth F20T12/65 6500K Made in CanadaGretagMacbeth F40T12/65 6500K Made in CanadaGE Quartzline Lamp 750W 120V Made in HungaryPHILIPS TL-D 90 DE LUXE 18W/965 Made in HollandPHILIPS TL-D 90 DE LUXE 36W/965 Made in HollandPHILIPS TL-D 90 Graphica 18W/965 Made in HollandPHILIPS TL-D 90 Graphica 36W/965 Made in HollandSYLVANIA STANDARD F20T12/D65 ARTIFICIAL DAYLIGHTSYLVANIA STANDARD F40W/54-765/RS DAYLIGHTSYLVANIA STANDARD F20W/54-765/RS DAYLIGHTGE F20T12-D-ECO Made in USAGE EJG-Q750T3/4CL 120V750WOSRAM L18W/965 BIOLUXOSRAM L30W/965 BIOLUXOSRAM L36W/965 BIOLUXOSRAM L 36W/954-1 LUMILUX de Luxe Daylight RecyclableOSRAM L 36W/954 LUMILUX de Luxe Daylight Recyclable