IR Lenses

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IR Lenses

IR Lenses

The oldest artifact is a quartz lens excavated in Nineveh, Mesopotamia, about 640 BC. European written records about lenses first appeared in ancient Greece. In Aristophanes’ play Cloud (424 BC), it was mentioned that burning glass (a convex lens that can gather sunlight to ignite); The earliest written record of lens in China is Mozi in the Warring States period, which describes the imaging law of lens. The book was completed in the 4th century BC. The invention time of the East and the West is almost the same, cheering for human civilization.

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IR Lenses