Colorimeter,spectrophotometer,Glossmeter,Image Test Chart,-3nh Shenzhen ThreeNH Techbology Co.,LtdColorimeter,spectrophotometer,Glossmeter,Image Test Chart,-3nh Shenzhen ThreeNH Techbology Co.,Ltd

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Colorimeter spectrophotometer Glossmeter,Image Test Chart 

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CIE Standard Observers[ Color Knowledge | 2014-06-12 ]
In the visual observing situation, the observer is the human eye that receives the light reflected from or transmitted through an object, and the brain which perceives the vision.The visual observing situationS...
Human Eyes to Distinguish Colors[ Color Knowledge | 2014-06-12 ]
The color difference unit, NBS, is derived from the unit of color difference formula which is established by Judd-Hunter. In 1939, the American Bureau of Standards adopts this color difference formula and calcu...
The Color of Objects[ Color Knowledge | 2014-06-12 ]
There are three major elements to perceive color: light, object and observer. Any change of these three elements will influence the observer’s color perception. When the light source and the observer don&...
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