Stargazer - A Private Observatory In The Heart Of Europe

TMB Apo

4" TMB Apo f/6,2

5" TMB Apo f/9

9" TMB Apo f/9 folded refractor

sketch of 9" TMB folded design

Collimating the f/9 system

testreport of optical system 9" TMB

no more differential flexure

20" f/3.7 Dobsonian