We producing for an german customer such an telescope and ordered 2 more optical sets to make 2 more such unique Telescopes.
Mirrors are made from Sital with 95% reflection , diameter is 254 mm, focallenght is 2,000 mm, diameter secondary is 27 mm which is 10.6 % central obstruction. , Optical quality is certified by Zygo testreport and not less than 1/8 wavefront p.t.v. and not less than 1/40 wavefront RMS. This is for pur visual use with 1.25" eyepieces for highest resolution by planets. Tubes are custommade in ultralightweight designs . Your Ideas and wishes can be includet into the final design. Delivery time is about 3 month from now.
If you are serious interested, please contact us and lets work out a deal