Some Students argue which the archeological evidence suggests that there was common usage of lenses in antiquity, spanning several millennia.[1] The so-named Nimrud lens is a rock crystal artifact dated to the seventh century BCE which may or may not happen to be used like a magnifying glass, or perhaps https://elliotjqxej.bligblogging.com/24195470/the-5-second-trick-for-렌즈