Halogens
A collective term for the elements chlorine, bromine and iodine, which are combined with silver to produce the light sensitive crystals used as the basis for photographic emulsions.
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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.
halogen
any of the elements astatine, chlorine, bromine, and fluorine that form a salt by direct union with a metal.
hammock
a cradle for holding ampules and vials during firing.
Metal Halogen see HMI
Meter Reading see Light Reading
Middle Gray see Gray Card and 18% Assumption* ...
Halogens -a group of chemical elements. In photography, three of these, bromine, chlorine and iodine are used with silver to produce light sensitive material.
Tungsten (halogen) light, auto white balance
Tungsten (halogen) light, tungsten white balance
Tungsten (halogen) light, manual white balance ...
-Tungsten halogen lamp - improved version of the normal tungsten lamp. It is much smaller and more consistent in color temperature as the glass envelope used is non-blackening.
The modeling lamp for the StarFlash® is a 250watt halogen bulb and has three settings to assist you as you develop your shots: Off, I, and II.
Off, simply disables the modeling lamp but does not affect the flash tube power.
However, 600 watt quartz halogen lights are pretty bright and operate under the same principle as regular tungsten bulbs. The difference is the bulbs are made of quartz and are filled with halogen gas. The result is brighter light and longer life.
tungsten halogen, etc.
There are distinct advantages to using electronic flash (strobes) as opposed to tungsten halogen lights (the type used for video). The electronic flash gives a very brief, intense flash of light.
The most adequate and most accessible kind of lighting you can make use of are halogen work lights or desk lamps. Their prices are far cheaper than those being sold for professional photography studios.
Normally, I would use the built-in model light from my strobe, but I've noticed that halogen bulbs, which are fine autofocus assist lights for subjects three feet away, ...
Likewise, bright halogen car headlights seem a lot more bluey-white (colder) than say the light of a candle (warmer). I remember a very effective TV advert selling home insulation, Pink Batts I think.
For indoor shooting a great solution is to use a halogen shop light. I bought one at a large local hardware store with two 500-watt bulbs for less than $50. It certainly generates a lot of heat, but it puts out a lot of light as well.
In 1908, Trivelli235 claimed that silver halide developed in the first development formed a silver subhalide, with a silver/halogen ratio greater than one.
A silver halide is one of the compounds formed between silver and one of the halogens - silver bromide (AgBr), chloride (AgCl), iodide (AgI), and two forms of silver fluorides.
The StarLite® is compatible with the StarLite® halogen lamps, the new CoolStar® 150watt CFL lamps, BiPin (G9.5) lamps, as well as traditional Edison based halogen (when coupled with our socket reducer).
(they go down in colour temperature as they age or when supplied with lower voltages, such as from a dimmer circuit) Tungsten halogen bulbs ...
He started with small halogen lights, which let him analyze lighting effects without the time-consuming requirement of instantaneous-flash test shots. The problem?
*2With a wavelength of 193nm, this type of laser is named after the inert gases used for discharge excitation: a mixture of argon (Ar) and fluorine (F) halogen.
Tungsten or tungsten halogen lamps designed for studio use. Have a longer life than photo lamps, but a lower specific output and colour temperature. Are used with type B films.
SQF
Subjective Quality Factor. Essentially a lens rating system.
Fluorescent, halogen and tungsten bulbs emit color tones that cameras pick up and the result is discoloring in the photograph. With special white balance settings, the camera can calculate the correct color and then shift all colors correctly.
Incandescent preset (Halogen)
Fluorescent light -
Auto white balance poor Incandescent light - Auto white balance average,
Preset white balance poor (there is no 'tungsten' setting)
Flash ...
Hot lights, halogen, fluorescent, and strobe are terms you are likely to come across. So which lighting system is best? All of these different lighting types work very well for what they were designed to do.
Silver Halide
Chemical compound of silver with a halogen. Silver bromide is the principal light sensitive constituent of modern photographic emulsions.
(see Emulsion) ...
The only real problem with continuous lights is the heat that some kinds of bulbs throw off—specifically tungsten and quartz-halogen bulbs. Newer lights that run much cooler have dramatically reduced, and even eliminated this problem.
Continuous lighting that generates more heat than light, e.g. tungsten bulb, carbon arc lamb, halogen lamp
Cool Lights Edit
Continuous lighting that generates more light than heat, e.g. fluorescent lamp, LED lamp, cold light ...
Tungsten for indoor scenes with incandescent or halogen lighting
Fluorescent for indoor scenes with fluorescent lighting
Manual for setting a custom white balance based on your target subject.
QUARTZ LIGHTS - Generic term for various types of lights that use tungsten-halogen lamps.
Silver halides. Light-sensitive compounds of silver with the halogens (iodine, bromide, etc.). Normally white or creamy yellow in color. Used as the main sensitive constituent of photographic emulsions.
Compound made up of silver and either chlorine,bromine or occasionally iodine (halogens). Silver bromide being the most common. spiral Plastic or stainless steel reel with grooves into which film is threaded prior to processing.
While the vast majority of output profiles are optimized for the cooler 5000K light, the vast majority of prints are viewed under warmer light temperatures, typically around 3500K. (Galleries use halogen 3800K, homes use tungsten 2800K, ...
camera offers a decided advantage because the artwork can be composed and focused in the camera viewfinder. A standard macro lens will cover most situations. You will need a camera stand or tripod and a matched pair of tungsten or tungsten-halogen ...
 See also: Light, Photograph, Image, Photography, Camera
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