the light of the flash bulbs fades the paint in these historic paintings 因?yàn)殚W光燈的亮光會使這些歷史悠久的名畫褪色。
light sources adopt halogen bulbs as four rotators and four flashing bulbs which distributing symmetrically 光源全部采用優(yōu)質(zhì)鹵素?zé)襞荩?只閃燈(交叉閃爍),4只轉(zhuǎn)燈,2只射燈,左右對稱分布。