Telescope Making No. 16 (Summer 1982) - My Science Shop
Why no commercial Schiefspiegler telescope - Reflectors - Cloudy Nights
New Telescope Acquistion: a 4.25" Schiefspiegler - YouTube
Oleguer Nogues on Twitter: "cooling down my #schiefspiegler telescope, see if I can get some lunar crisp images this evening at firect focus with DSLR camera https://t.co/a08kyBhov3" / Twitter
DARK STAR astronomia, test strumentali, telescopi, montature astronomiche, fotografia planetaria, deep sky - SCHIEFSPIEGLER
Schiefspiegler - a tilted mirror telescope with no obstruction