
158 The Technologies
6.1.4 Metal Halide Lamps
Metal halide lamps (also see Chapter 3), which also include the ceramic metal
halide lamps, offer the following:
• A wide range of color temperatures but mainly neutral and cool white tones
• High uxes
• High efcacies
• Longer than halogen lifetimes
6.1.5 Light-Emitting Diodes
Light-emitting diode (LED) technology offers (also see Chapter 4) the following:
• Very long lifetimes
• Wide range of colors and color temperatures (ideal for dynamic lighting)
but mainly neutral and cool white tones
• Good color rendering properties
• Low-power consumption
• Instant starting and frequent switching
Thes ...