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How to Distinguish PAR20, PAR30, PAR38,PAR56?

- Jul 26, 2018 -

  1. Parabolic reflaluminum Reflector light, which is constructed as a mirror bulb mounted in a cylinder, emits a fixed beam of light with a wide and narrow beam Angle, and the spot size cannot be adjusted.

  2. PAR20, PAR30, PAR38 and PAR56 are the standards for the size of the spotlights, representing 20, 30, 30 and 56 points in the diameter of the spotlights respectively. One hundredth of an inch is equal to 1/8 of an inch. 1 inch = 2.54 cm

  3. "PAR20" refers to the diameter of the surface of the lamp of 20 points.

    2.54 * 2.54 * 20 = 1/8

    That is to say, the surface diameter of lamps and lanterns is about 6.3 centimeters for PAR20 spotlights.

  4. "PAR30" refers to the diameter of the surface of the lamp of 30 minutes.

    9.525 * 2.54 * 30 = 1/8

    That is to say, the surface diameter of lamps and lanterns is about 9.5cm.

  5. PAR38, the diameter of the surface of the lamp is 38.

    1/8 * 2.54 * 38 = 12.065

    That is to say, the surface diameter of lamps and lanterns is about 12.0 centimeters for PAR38 spotlights.

  6. PAR56 refers to the surface diameter of the lamp is 56 British cents.

    1/8 = 17.78 * 2.54 * 56

    That is to say, the surface diameter of lamps and lanterns is about 17.78 centimeters for PAR56 projectors  


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