PRO-PAR™ Series - View the Difference It has been several years since any lamp manufacture has committed resources to building an optically superior Halogen PAR lamp. That is until recently, when USHIO introduced the PRO-PAR™ Halogen PAR lamps series which provides a dramatically improved beam spread, eliminating hot spots and beam edge feathering. Optically Superior Beam Control Since USHIO has been a technology leader in MR-16 Halogen lamps for over a decade, we took our advanced MR-16 reflector technology and adapted it to our Halogen PAR line. Inferior lamps use a dimpled lens to create the beam spread. Our PRO-PAR™ lamp's beam spread is created by a unique fluted reflector design that optimizes the use of the capsule's light output to prevent light loss and diffusion. Each PRO-PAR™ lamp's beam spread is consistent and does not produce hot spots or beam noise. Improved Vibration Protection In addition to superior optical control, PRO-PAR™ lamps have a unique filament mounting structure that helps protect against vibration, one of the most common causes of early lamp failure. Inferior PAR lamps have filament mounts that support the filament at the ends. When these lamps are burned at a 45 degree angle, such as in track lighting, gravity pulls the filament down in the center, and vibration can cause the weak center of the filament to break. Vibration in track lighting is very common, and is usually caused by heating or air conditioning ducts vibrating in the ceiling near track fixtures. USHIO's mounting structure for the PRO-PAR™ lamps has three supports. The filament is supported at the ends and in the middle of the filament. This additional support prevents filament sag and protects the filament from vibration. Multi-Layered Reflective Coating Process In order to ensure the reflective coating does not degrade over the life of the lamps, our PRO-PAR™ lamp reflectors are made using a proprietary multi-layer coating process similar to the technology recording companies use to make compact discs. After the glass is cleaned and dried, a high temperature multi-layer reflective coating is applied to the glass. This high grade coating protects the superior optics to ensure that they remain consistent throughout lamp life.

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