Per misurare il colore, lo strumento invia luce su un campione, cattura la quantità di luce che viene trasmessa o riflessa nell’intervallo di lunghezza d'onda da 380 a 780 nm e la quantifica come misurazione spettrale. La misurazione del colore è necessaria per specificare, quantificare, comunicare, formulare e verificare la qualità del colore nei lavori in cui il colore è importantissimo. Dato che ogni persona percepisce il colore in un modo diverso, la misuraz...
Posted August 24, 2021 by X-Rite Color
Reflective surfaces and metallic inks are very popular for printing and packaging applications. Consumers love the look; but for printers, these substrates and inks are expensive and make color control a challenge. Today we’re taking a look at the measurement options available for controlling these very marketable print and packaging applications to help printers and converters meet brand owner expectations and maintain the highest possible quality output. Sphere vs. 45°:0° - ...
Posted May 07, 2020 by Mark Gundlach
The two most common spectrophotometers are the 0:45 and the sphere (aka diffuse/8°). We get a lot of questions about which is the best choice. Here’s the difference in how these two devices measure color, and guidelines for when to use each. 0:45 In a “fixed geometry” or “single angle” device, the first number is the starting point of the light, and the second number is where the light ends up after the reflection off the surface of the sample. In a 0:45 ...
Posted January 18, 2018 by Mike Huda
