Shenzhen 3NH (ThreeNH) Technology Co., Ltd. Shenzhen TILO Technology Co., Ltd., hereby declare we only use the domain name suffix enterprises email address (xxx@3nh.com and xxx@tilo.cn) to contact you....

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3nh chart is precise aid, designed for image quality determining and for judgment of resolution limits of digital cameras. The chart is designed for photographic cameras up to 2000 addressable pixels in picture high (cca 6Mpix camera). When...

In 2011, 3nh has officially launched NH series high-quality colorimeter. In color management field, it has filled the gap of high-quality, high-stable and high-precision domestic colorimeter in China market. Although, colorimeter is widely u...

Imatest representatives will visit Beijing the week of October 19th to offer a free Information Seminar and paid 2-day Training Course to professionals using or considering Imatest software to improve their image quality testing processes.2-...

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 situationSince different humans perceive...

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 calculates the color difference acco...

There are three major elements to perceive color: light, object and observer. Any change of these three elements will influence the observers color perception. When the light source and the observer dont change, then the object will det...

Understanding the types of instruments available for measuring color is important when choosing the instrument to purchase or use for your application. The terms colorimeter and spectrophotometer cause some confusion, so t...