愛色麗 X-Rite ColorChecker Mini Gray Balance迷你版灰平衡卡
名稱：X-Rite ColorChecker Mini Gray Balance
規(guī)格：10.2X17.75cm
產(chǎn)地：美國(guó)
灰卡在數(shù)碼相機(jī)上的應(yīng)用1.決定白平衡時(shí)，拿出灰卡，讓相機(jī)的取景器充滿整個(gè)畫面，不同的相機(jī)有不同的設(shè)定方式，但大多是進(jìn)入“自定白平衡模式”對(duì)標(biāo)準(zhǔn)灰卡的白面，拍攝一張相片，DC便會(huì)得知在該光線條件下，什么才是”白色”。2.決定曝光值時(shí)，請(qǐng)使用灰面，如果有反射式測(cè)光表時(shí)，可以測(cè)光表的值做參考（測(cè)光表請(qǐng)貼近灰卡），可以改變焦距，令其拍攝范圍涵蓋灰卡。灰卡的其它作用1.在攝影棚的多燈作業(yè)中，可以決定主副燈的照明比。 2.可以簡(jiǎn)單地用來判斷相機(jī)的色彩平衡。
可放在口袋里的精簡(jiǎn)版灰平衡卡
ColorChecker Mini Gray Balance card is a pocket size version of the 18% Gray reference square used in the standard 24-patch ColorChecker. This Gray is scientifically engineered to provide a precise uniform surface that is spectrally neutral (reflects equal amounts of red, blue and green) in all types of light conditions. The photographer can now have confidence that the camera抯 raw image is as close to real life as possible.
ColorChecker Mini Gray Balance gives photographers a way to adjust the digital camera’s color sensitivity to exactly match the ambient lighting conditions, in effect, change what that the camera 搒ees.?nbsp; The perceived color of white often changes based on ambient conditions - outdoor it is perceived to be cooler, indoor it is perceived to be warmer and under fluorescent light it is perceived to be greener. Even in a controlled studio environment, establishing an accurate custom white balance ensures an accurate image from the start of each new photo session.
ColorChecker Mini Gray Balance Features and Benefits:
> Pocket size version of the middle gray reference square from the ColorChecker
> Provides a precise uniform surface that is spectrally neutral under all lighting conditions
> Ensures that the digital camera抯 raw image accurately portrays real life
功能描述
Application: Achieve realistic color with accurate gray balance. Gives photographers a way to adjust the digital camera’s color sensitivity to exactly match ambient lighting conditions
Size: 4 x7 in.
Number of Colors: 1
Description of Colors: 18% Gray
Depending on use, it is recommended that you replace your ColorChecker chart every two years to ensure correct color identification.
