Refracting Astronomical Telescope

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v = − f1 / f2

v .... Förstoring
f1 ... Brännvidd (objektiv)
f2 ... Brännvidd (okular)

 

 
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URL: http://www.walter-fendt.de/ph14se/refractor_se.htm
© Walter Fendt, 8 mars 2000
Senaste uppdatering: 14 december 2012