https://lumicrest.com/par-mean/

PAR stands for Parabolic Anodized Reflector. What's that? Many halogen spot and flood lights use a parabolic (U-shaped) reflector to collect and reflect the light  ...

https://en.wikipedia.org/wiki/Parabolic_aluminized_reflector_light

A parabolic aluminized reflector lamp is a type of electric lamp that is widely used in ... PAR lights possess a lens and reflector that are integral parts of the lamp, the position of which cannot be ... Therefore, the diameter of the light spot is defined by the aluminium reflector, and cannot be adjusted without changing the lamp.

https://www.youtube.com/watch?v=kuBsr-GOXVU

Nov 14, 2012 ... Lighting terms can be confusing. In this video, David Geldart of Lumicrest Lighting Solutions demystifies the terms "PAR" and "MR" and explains ...

https://www.earthled.com/blogs/led-lighting-faq-frequently-asked-questions/what-is-the-difference-between-a-par-and-r-br-bulb

Nov 15, 2016 ... PAR (short for Parabolic Aluminized Reflector) bulbs are lamps with "spot light" features, meaning that they provide a beam spread that is ...

https://www.lumigrow.com/demystifying-lumens-lux-and-par/

The definition of the lumen is the total light produced within the range of the human visual response. It tells us ... Demystifying Lumens, Lux and PAR. Share on ...

https://www.conservationmart.com/blog/index.php/understanding-the-difference-between-a-par-30-and-br-30-bulb/

Jul 1, 2018 ... ... means that they provide more than a 45 degree angle when lighting an area. ... Though PAR 30 bulbs offer more options for lighting, both PAR and BR ... When searching for the perfect PAR or BR light bulb for your fixture, ...

https://www.bulbamerica.com/pages/par-cans

Stage Lighting can be tricky and costly, find the best PAR Cans, PAR Can Bulbs, PAR ... The acronym PAR means "parabolic aluminum reflector", and the name ...

https://en.wikibooks.org/wiki/Technical_Theatre/Lighting/PAR

PAR lights, or Parabolic aluminized reflector light, are often referred to as Parcans. They are normally a single lamp/reflector unit, that looks similar to a car  ...

http://www.theatrefx.com/funfacts79.html

Information about theatrical Par Lights. ... The PAR38's relatively low wattage ( 75W-300W) means that several can be used on the same electrical circuit without  ...

https://www.fondriest.com/news/photosyntheticradiation.htm

Aug 12, 2010 ... Photosynthetically Active Radiation (PAR) is the amount of light available for photosynthesis, which is light in the 400 to 700 nanometer ...