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POTECH 可攜式地拉幕

POTECH 可攜式地拉幕

全單 購買 滿HK$1,000.00,即享 免運 優惠 ( 不包括投影幕),建議購買前先致電/WhatsApp查詢。 on order

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Description

白玻纖和灰玻纖的區別:
1.增益:白玻纖的畫面增益大概是0.9,灰玻纖的畫面增益大概是0.7,所以白玻纖幕布對畫面的還原度更真實。

2.對比度:由於灰玻纖的幕布是灰色,所以能夠加強黑色和白色的明暗層次。

3.抗光性:灰玻纖的抗環境光能力比白玻纖強,。

拓展內容:灰玻纖幕布更適合對比度不高的畫面效果,且由於增益小,所以適合亮度稍高的投影儀。




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