Zeissi refraktor * * * Zeiss' refractor
Zeissi refraktor
See teleskoop on Tartus alates 1911. aastast. Tema objektiivi läbimõõt on
20 cm ja fookuskaugus kolm meetrit. Vaata ka Zeissi ajalugu.
Zeiss' refractor
In Tartu since 1911. Its diameter is 20 cm and focal length 3 meters.
See also some older pictures at the history page of the Zeiss refractor.
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