Can anyone decifer the "circle" codes on my "astromart" Ortho's? I have a 4mm (Celestron) Circle-T, a 7mm (Celestron) Circle-V, a 25mm (no-name) Circle-A, even a 20mm (no-name) Circle-T Erfle! All of these eyepieces perform excellently, but I am trying to find thier manufacturer and year.
Thanks!
Chris Brown
Thanks!
Chris Brown
There's something on the Moon! 8O