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This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Light sources" The following 61 pages are in this category, out of 61 total.
Earthshine – Light reflected from the Earth; Zodiacal light – Faint solar glow caused by interplanetary dust at sunset and sunrise; Gegenschein – Optical effect of interplanetary dust reflections; Reflection nebula – Clouds of interstellar dust which reflect the light of nearby stars
Raise fill power until detail is seen in the black clothing. The nose on front of the face will be observed to be lighter than the ears due to the inverse-square fall off of the fill source and it will create a light-to-dark gradient. The contrast of the gradient can be altered by changing the distance of the fill light from the subject.
Radioluminescent paint is a self-luminous paint that consists of a small amount of a radioactive isotope (radionuclide) mixed with a radioluminescent phosphor chemical. The radioisotope continually decays, emitting radiation particles which strike molecules of the phosphor, exciting them to emit visible light.
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The position of the fill source relative to the face will also affect whether the nose shadow is the lightest (when fill is centered near camera) or darkest (when fill is placed to the side) one on the face. The distance of the key light and fill sources to the face will affect the rate at which the shadows transition from light to dark on the ...
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