Quote: But the impression I get from reading CN is that these two lines (SS and AT) (which seem to be different only for marketing, as in, made in the same place and with TMB label to allow for different pricing of the two),
The optics are certainly not "made in the same place".
-------------------- John C
Urban Observatory A&M/Astreya 76mm F/6 APO
TMB/LOMO 80mm F/7.5 APO
Tak FSQ-106N F/5 APO
Meade 178ED F/9 "APO"
Meade ETX-125AT
C14
Teeter 20" F/3.8 truss Newt w/ServoCat
CI-700, NJP, GPDX/SS2KPC, CG5-GT
ST-10XME, DSI Pro