Tungsten Filament
A lamp coil that emits light (and heat) when electricity flows through it. See: Incandescent Lamp and Tungsten-Halogen Lamp.
Tungsten filament - artificial light source using a tungsten filament contained within a glass envelope.
Nitraphot
A tungsten filament lamp similar to the photoflood but with a longer working life.
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More Photographic Terms ...
-Photolamp - tungsten filament photographic lamp with a large diffused bulb, giving light of 3200 K (kelvin).
Tungsten-Halogen Lamps Tungsten-halogen lamps have a tungsten filament inside a quartz envelope. This type of lamp does not blacken the inside of the envelope and operates at an almost constant brightness and color temperature throughout its life.
Halogen An incandescent light bulb that contains a tungsten filament. Emits light with a higher color temperature than an incandescent bulb.
Photoflood
Bright tungsten filament bulb used as an artificial light source. The bulb is over -run and so has a short life.
(see Tungsten light) ...
PHOTOFLOOD LAMP is an incandescent light source using a tungsten filament bulb set in a reflector.
PHOTOGENIC - Being an attractive subject for photography, or looking good in a photograph.
quartz-iodine lamp
an improved tungsten bulb that has a tungsten filament surrounded by iodine and inert gases, enclosed in a quartz envelope; also referred to as quartz halogen.
Tungsten film is used under studio lights, known as hot lights (because they get real hot), which use tungsten filaments. These are similar to, but not the same as regular incandescent light.
White Balance is an adjustment in electronic and film imaging that corrects for the colour balance of the lighting - so that white objects appear white, rather than coloured (for example) yellow when lit by tungsten filament lights, ...
 See also: Filament, Tungsten, Light, Temperature, Film
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