Zenith Camera
A zenith camera is an astrogeodetic telescope used today primarily for the local surveys of Earth's gravity field. Zenith cameras are designed as transportable field instruments for the direct observation of the plumb line (astronomical coordinates) and vertical deflections.
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Famous quotes containing the word camera:
“The camera introduces us to unconscious optics as does psychoanalysis to unconscious impulses.”
—Walter Benjamin (1892–1940)
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