Editing Light (section)

=== Surface scattering ===

A [[Transparency (optics)|transparent]] object allows light to [[Transmittance|transmit]] or pass through. Conversely, an [[Opacity (optics)|opaque]] object does not allow light to transmit through and instead [[Reflection (physics)|reflecting]] or [[Absorbance|absorbing]] the light it receives. Most objects do not reflect or transmit light [[Specular reflection|specularly]] and to some degree [[Scattering|scatters]] the incoming light, which is called [[Gloss (optics)|glossiness]]. Surface scattering is caused by the [[surface roughness]] of the reflecting surfaces, and internal scattering is caused by the difference of [[refractive index]] between the particles and [[Transmission medium|medium]] inside the object. Like transparent objects, [[translucent]] objects allow light to transmit through, but translucent objects also scatter certain wavelength of light via internal scattering.<ref>{{Cite book |last=Berns |first=Roy S. |url= |title=Billmeyer and Saltzman's Principles of Color Technology |publisher=[[Wiley (publisher)|Wiley]] |others=Fred W. Billmeyer, Max Saltzman |year=2019 |isbn=978-1-119-36668-3 |edition=4th |location=Hoboken, NJ |oclc=1080250734}}</ref>