250 mm F/8 MSDKCT by Rik ter Horst

Rik ter Horst | all galleries >> Galleries >> telescopes > 250 mm F/8 MSDKCT

Layout of the 250 mm F/8 Modified Schmidt Dall Kirkham Cassegrain Telescope, primarily designed for use as a super tele lens (F=2000mm)

other sizes: small medium original auto

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