F40T12/50的規(guī)格及用途?

D50燈管的色溫為5000K被世界印刷業(yè)*為標準色溫（ICC標準），通常運用在印刷或前置出版的領(lǐng)域。其條件恰與白天陽光下相近，色彩雖比較正常，但不容易發(fā)現(xiàn)黃墨的變化，故較適合于觀看原稿。其品牌有：PIHLIPS，通用GE，OSRAM，格林達 麥克貝斯 GretagMacbeth，GTI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。

GretagMacbeth F20T12/50 5000K 20W Made in Canada
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