6181P-2PXP

質(zhì)保一年

美國(guó)產(chǎn)

現(xiàn)貨供應(yīng)

灰度照明分為直射照明和漫射照明兩種。

所謂直射照明就是光源的反射光直接進(jìn)入相機(jī)鏡頭，而漫射照明，亦稱(chēng)散亂光照明，就是光源的反射光不直接進(jìn)入鏡頭，而是經(jīng)過(guò)多級(jí)反射后進(jìn)入鏡頭。

兩種照明的光路具體形式如圖1所示。

圖1：直射照明和漫射照明

而對(duì)于同一個(gè)物體的拍攝，在直射照明和漫射照明兩種照明條件之下所得到的圖像差別是比較大的。如圖2所示，為同一物體在直射和漫射兩種照明方式下所獲得的圖像。

6181P-2PXP  

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