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