Discharge lamps
Even with all the advances which have been made in tungsten halogen technology in recent years there are still occasions, particularly whilst working on location, when handling the number of fittings required to give an acceptable illumination level can be a logistical headache.
One GE metal halide discharge lamp can provide more light than three tungsten halogen lamps of the same rating. That means one third the power consumption and one third the number of fittings to transport and aim. The potential for major cost savings is clear.
GE Lighting has led the way in adapting discharge lamps for use in the performing arts. The company was the first and for many years the only manufacturer to offer metal halide lamps in the compact, single ended capsule format. The minimal dimensions of these lamps can be incorporated into fittings which are much smaller than corresponding luminaires using double ended lamps of the same power. With a near point light source excellent optical control is possible.
Compact iodide lamps are also available in a sealed beam format. With the light source carefully positioned in the reflector, optimum optical performance is guaranteed.
The nitrogen filling gas in the outer bulb prevents oxygen attacking the seal of the inner capsule and so increases the life of the lamp dramatically.
All CID discharge studio and stage lamps are dimmable to 50% of peak lumens and the great majority are available in hot
Compact Iodide Daylight (CID) Discharge Lamps
With a colour temperature of 5500K these lamps provide an excellent simulation of daylight. For location filming, colour matching with natural light presents no problem.
In the studio, interior scenes can be given a realistic appearance. As relatively small numbers of lamps are required the amount of heat generated is substantially less than under tungsten halogen lamps giving the same illumination. For all personnel the working environment is much more comfortable. Of course, the running costs are correspondingly lower too.
In the theatre CID discharge lamps are particularly useful in follow spotlights. The very high light output from a point source creates a very intense, sharp beam.
Compact Source Iodide (CSI) Discharge Lamps
CSI lamps offer all the advantages of the CID range, but operate at the warmer colour temperature of 4000K. This allows the lamps to be readily blended with tungsten halogen lighting.
Compact Source Special (CSS) Discharge Lamps
These lamps are specially developed for disco and fibre optics applications. Life may be extended if fan or forced cooling is used.
CSR
High efficiency compact arc cold start metal halide lamps.
CSR HR
High efficiency compact arc hot start metal halide lamps.
CSD
Long life compact arc metal halide lamps with high colour temperature.
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