1) 48" Paramount pier
2) Lunt 100mm Binoculars (45 or 90 degree) or something similar
3) Pentax 28mmXL eyepiece
WE BUY GLASS! Let me know what you have. The substrate material, diameter, thickness and condition.
We will consider trades (of Astronomical equipment) towards optical services. Let me know what you have and what it is that you want.