Do you have references for the equivalency of CIE inverse instrument geometries?

FAQ: “…. the schema of the principle of measuring shows other way of light (source of light -> sample -> sphere -> detector) than our Vista (source of light -> sphere -> sample ->  detector). Please can you explain me difference between both construction? difference between both results of measuring?”

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Diffuse Sphere Instruments
Diffuse Sphere Instruments
Diffuse Sphere Instruments

HunterLab manufactures, directional 45/0 instruments and also diffuse sphere instruments, with diffuse/8˚ geometry. The UltraScan PRO, UltraScan VIS and Vista are all bench top sphere instruments available from HunterLab. Continue reading