#755 Why is a Camera Lens so Complicated?
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#786 Photoelectric Effect in Neon Bulbs Measured by Electrometer
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Why lenses can't make perfect images
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How Optics Work - the basics of cameras, lenses and telescopes
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I Fixed My Most Challenging Project! (Camera Lens from Scratch)
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How Does a DSLR Camera Work
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Why 50mm Is Misunderstood
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Why is this Space Telescope so Tiny?
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