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We have an exhibit that uses a security camera from Jameco (<$100) and a
9 inch color TV from WalMart (about $100) connected together to make an
inexpensive video microscope.  To focus on close-up objects, we
unscrewed the lens from the front of the camera and remounted both
camera and lens inside a plastic tube, with the lens slightly further
away from the CCD than the manufacturer intended.  The depth of field
isn't great, but it works well otherwise.  

 

Cobie Howard

Exhibit Developer

Explora Science Center and Children's Museum of Albuquerque

505-224-8306

 


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