Hello forum,
does anybody know anything about Lichtenknecker ortho eyepieces? I have been offered two of them, 6 mm and 10 mm, for $20 each. They are old, probably from the 70's. I wonder if they are good. Any info would be appreciated.
regards,
Timo-Pekka Metsala
Finland
ps. This is my first post to the forums.
does anybody know anything about Lichtenknecker ortho eyepieces? I have been offered two of them, 6 mm and 10 mm, for $20 each. They are old, probably from the 70's. I wonder if they are good. Any info would be appreciated.
regards,
Timo-Pekka Metsala
Finland
ps. This is my first post to the forums.
