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Photoflood lamps are a type of incandescent light bulb designed for use as a continuous light source for photographic lighting. [1] The filaments of such lamps are operated at much higher temperatures than is the case for standard, general lighting service lamps. The result is a brilliance of light much higher than the lamp's wattage rating ...
The early form of hanging lighting devices in religious buildings may be of considerable size. Huge hanging lamps in Hagia Sophia were described by Paul the Silentiary in 563: [21] "And beneath each chain he has caused to be fitted silver discs, hanging circle-wise in the air, round the space in the center of the church. Thus these discs ...
Klieg lights. A Klieg light is an intense carbon arc lamp especially used in filmmaking.It is named after inventor John Kliegl and his brother Anton Kliegl.Klieg lights usually have a Fresnel lens with a spherical reflector or an ellipsoidal reflector with a lens train containing two plano-convex lenses or a single step lens.
Pages in category "Types of lamp" The following 97 pages are in this category, out of 97 total. This list may not reflect recent changes. 0–9. 3-way lamp; A.
As is the trend in much of nature photography, the focus of landscape photography is on the natural beauty of the world with little artificial lighting or staging. [3] There are also forms of landscape photography that are seen as more artistic or abstract than others, though those seem to lean more towards a macro photography style.
The energy dissipation in the lamps when they are glowing is very low (about 0.1 W), [31] hence the distinguishing term cold-cathode lighting. Some of the applications of neon lamps include: [ 31 ] Pilot lamps that indicate the presence of electrical power in an appliance or instrument (e.g. an electric coffee pot or power supply).
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Photochemical immersion well reactor (50 mL) with a mercury-vapor lamp.. Photochemistry is the branch of chemistry concerned with the chemical effects of light. Generally, this term is used to describe a chemical reaction caused by absorption of ultraviolet (wavelength from 100 to 400 nm), visible (400–750 nm), or infrared radiation (750–2500 nm).