![]() ![]() Projector Lamp Bulbĭuring this time, they tried many different technologies to increase brightness, such as making dual and even quad lamp designs. It wasn’t really until the turn of the 21st Century that this technology progressed enough to get both a high brightness of 1,000+ lumens and also coupled with a long lamp life of over 1,000 hours. In the beginning lamps were very low brightness, lucky to get over a couple hundred lumens, and they didn’t last more than a couple hundred hours if you were lucky. The only things that have really changed since then have been how bright they can get, what spectral color they were and how long they could last. ![]() Since the first inception of a projector, notwithstanding using a candle in front of a mirror hundreds of years ago, it used some form of an incandescent lamp.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |