What is Specular Vision

Specular Vision is the brand name created by the company ISR at the beginning of its technology developments (https://isr.es/en/specular-vision-en/). It refers to the property of the light in which a reflected ray of light emerges from the reflecting surface at the same angle to the surface normal as the incident ray. This is only theory (first described by Hero of Alexandria AD c. 10-70), but the surfaces that ISR inspect are not all strictly specular, but it reminds us of this effect of the light.

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