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  2. Parabolic aluminized reflector - Wikipedia

    en.wikipedia.org/wiki/Parabolic_aluminized_reflector

    As with the case of LED MR lamps, LED PAR lamps generally use an array of individual LED elements that are unsuitable for reflector operation. Nevertheless, some degree of beam control can be obtained with aperture or lens, and LED PAR 38 replacements with a 40° spread is common. Models built for stage lighting may use less similar dimensions.

  3. Stage lighting instrument - Wikipedia

    en.wikipedia.org/wiki/Stage_lighting_instrument

    LED stage lights come in four main types. PAR cans, spotlights, striplights, [16] and "moving head" types. In LED PAR cans, a round printed circuit board with LEDs mounted on is used in place of a PAR lamp. Moving head types can either be a bank of LEDs mounted on a yoke or more conventional moving head lights with the bulb replaced with an LED ...

  4. LED stage lighting - Wikipedia

    en.wikipedia.org/wiki/LED_stage_lighting

    LED stage lights come in three main types. PAR cans, striplights [1] and 'moving head' types [citation needed]. In LED PAR cans, a round printed circuit board with LEDs mounted on is used in place of a PAR lamp. Moving head types can either be a bank of LEDs mounted on a yoke or more conventional moving head lights with the bulb replaced with ...

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  6. Ellipsoidal reflector spotlight - Wikipedia

    en.wikipedia.org/wiki/Ellipsoidal_reflector...

    Ellipsoidal reflector spot (abbreviated to ERS, or colloquially ellipsoidal or ellipse) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to collect and direct the light through a barrel that contains a lens or lens train. The optics of an ERS instrument are roughly similar to those of a 35 mm slide ...

  7. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/wiki/Mechanically_powered...

    Dyno lights were issued to German Wehrmacht soldiers during World War II. They were popular in Europe during the war because the electrical power supply to homes was unreliable. In addition to "squeeze flashlight", American soldiers often referred to such lights as "squeezy flashlight" or even "squeegee flashlight". [citation needed]

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