How Optical Lenses Are Manufactured
Here’s an interesting “How It’s Made” segment showing how optical lenses are made. Here’s a hint at why lenses are so expensive: slabs of optical glass cost up to $1000 for 2.2lb!
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Here’s an interesting “How It’s Made” segment showing how optical lenses are made. Here’s a hint at why lenses are so expensive: slabs of optical glass cost up to $1000 for 2.2lb!