Pinhole Imagers
Pinhole Imagers

 

Code Number: 6A61.21

Demo Title: Pinhole Camera - Pinhole Images

Condition: Fair

Principle: Pinhole Imaging

Area of Study: Optics

Equipment:

Sliding Tube Type Pinhole Cameras, Cereal Box Type Pinhole Cameras, and Short Focal Length Lenses (Approximately 7 cm).

Procedure:

Take the outer of the sliding tubes and place tin foil over one end. Put a small pinhole in the middle of the tin foil. On the inner sliding tube place a screen of wax paper on one end. Slide the wax paper screen inside the outer tube and your pinhole camera is complete. If desired you can experiment with the effects of a small lens in front of the pinhole. NOTE: You must be looking at a very bright object in a darkened room to make this camera work effectively (contrast between light and dark must be very high).

References:

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Pinhole cameras - A Simple Camera, Pinhole page 2 - Basic Theory, & Pinhole page 3 - Optimization
6a61.21 - Bizarre Pinhole Camera.pdf
6a61.21 - Bizarre Pinhole Camera page 2.pdf
6a61.21 - Bizarre Pinhole Camera page 3.pdf
University of Maryland Physics Department QOTW Question #302
University of Maryland Physics Department QOTW Answer #302