A parabolic aluminized reflector lamp is a type of electric lamp that is widely used in commercial, residential, and transportation illumination. It produces a highly directional beam. Usage includes
A parabolic aluminized reflector luminaire
20 PAR cans
Sealed beam PAR lamp. When the lamp burns out or breaks, the whole assembly must be replaced.
Two Mercedes-Benz SLs: right with US-spec sealed-beam headlamps; left with European-spec composite replaceable-bulb headlamps
Halogen lamp
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A halogen lamp is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen, such as
Parabolic aluminized reflector
…unit. Originally introduced for road vehicle headlamp service, sealed beams have since been applied elsewhere. Halogen sealed beam lamps incorporate a halogen lamp within a quartz or hard glass envelope. A PAR lamp consists of a light source, with lens and a parabolic reflector with a smooth aluminium surface…
A halogen lamp operating in its fitting with the protective glass removed
A halogen lamp behind a round UV filter. A separate filter is included with some halogen light fixtures to remove UV light.
A close-up of a halogen lamp capsule
A burned-out R7S form factor halogen lamp