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D65光管的色溫：6500K，標準日光光源,平均北方日自然日光（或北窗光）,代替自然光對色, 適合普通要求,大部分客戶均用D65對色。其品牌有:飛利浦PHILIPS,GE,喜萬年,OSRAM,SYLVANIA，格林達-麥克貝斯 GretagMacbeth等。產(chǎn)品符合標準化組織（ISO）在2000年對標準觀察環(huán)境和標準光源做出了規(guī)定，即ISO3664:2000標準。

GE F20W/AD ARTIFICIAL DAYLIGHT Made in Hungary
GE F40W/AD ARTIFICIAL DAYLIGHT Made in Hungary
VeriVide F20 T12/D65 ARTIFICIAL DAYLIGHT，
VeriVide F40 T12/D65 ARTIFICIAL DAYLIGHT
VeriVide F65T12/D65 ARTIFICIAL DAYLIGHT
GretagMacbeth F20T12/65 6500K Made in Canada
GretagMacbeth F40T12/65 6500K Made in Canada
GE Quartzline Lamp 750W 120V Made in Hungary
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/RSDAYLIGHT
GE EJG-Q750T3/4CL 120V750W
OSRAM L18W/965 BIOLUX
OSRAM L30W/965 BIOLUX
OSRAM L36W/965 BIOLUX