Two views of German amateur Percy Zahl's Schiefspiegler (closed construction).
Amateur Georg Dittie's instruments, a 150 mm Schiefspiegler (open construction) compared to a 150 mm refractor.
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The finely crafted Schiefspiegler of Michael Brunn of Hoxter, Germany. The aperture of this scope is 125 mm and works at f/28. Michael is also designer and patent holder for Tetra-Schiefspiegler constructions. Thanks to David Stevick for providing the images and information. |
The 200/4000 mm Schiefspiegler of Stefan Schimpf. Note: The guiding refractor is a 5-inch, the Schief an 8-inch scope!
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