This is one of the many strange looking astronomical devices in the Jantar Mantar Observatory; one of the sundials here was capable of resolving down to the half second. Built by Maharaja Jai Singh in 1725, it is one of five that he built; I later saw the only one still in working order in Jaipur.
PhotographerJoe Morris
Date2002-12-23
Exposure0.002 s (1/400)
Aperturef/2.8
Focal Length4.5mm
Flash UsedNo

 

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