The smaller the hole, the sharper the image, but the dimmer the projected image. A pinhole camera is a very simple camera with no lens and a single very small aperture.

Use Pinhole Glasses to Improve Your Vision.

Quinta-feira, 29 de abril de 2010. Os fantasmas da ópera! The image of the image.

What are pinhole glasses? The modern and affordable alternative to prescription eyeglasses, pinhole glasses consist of precision-manufactured lightweight perforated plastic lenses, inset into standard metal or plastic spectacle frames. They are ideal for sufferers of refractive eye disorders, the elderly and computer users.

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