Using a digital camera as a measuring device

We present several experiments that can be done using a digital camera or a webcam, including the shapes of shadows cast by lampshades, the trajectories of water jets, the profile of a hanging chain, and caustic figures produced by the reflection of light on mirrors of different forms. The experimen...

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Bibliographic Details
Published in:American journal of physics 2006-09, Vol.74 (9), p.768-775
Main Authors: Gil, S, Reisin, H. D, Rodríguez, E. E
Format: Article
Language:English
Subjects:
Bildanalyse
Digital cameras
Digitale Bildbearbeitung
Digitale Fotografie
Experiment
Experiments
Grafikprogramm
Measurement techniques
Physik
Theorie
Theory
Videoanalyse
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Summary:We present several experiments that can be done using a digital camera or a webcam, including the shapes of shadows cast by lampshades, the trajectories of water jets, the profile of a hanging chain, and caustic figures produced by the reflection of light on mirrors of different forms. The experiments allow for a simple and direct quantitative comparison between theory and experiment.
ISSN:0002-9505
1943-2909
DOI:10.1119/1.2210487