How to Make a Pinhole Lens for Your SLR Camera

With many devotees, pinhole photography is the art of taking photos in a "lensless" fashion;[1] instead, a pinhole is placed over the usual lens, in order to create soft, "artsy" images. You can make your own pinhole lens for your SLR (digital or film) from the camera's body cap, using simple materials and tools. Doing this will even improve the effects on older, less capable cameras and you'll capture some neat effects on film.
Be aware that pinhole lenses don't ever produce an extremely sharp image, especially when used on the very small image sensors of digital cameras, but the artistic effect is definitely worth the loss of sharpness. Here is how to make your own pinhole lens at home.

Source: http://www.wikihow.com/Make-a-Pinhole-Lens-for-Your-SLR-Camera

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