Quote Originally Posted by 8x10 user View Post
I thought all the euryscopes were rapid rectilinear (aplanat), a F/3.1 Petzval is much more desirable.

Good find!
Wrong. (imesho:~')) Petzval's are all the same and there's gajillions of them. F4 and F4.5 Aplanats with the look that Voigtlander got with theirs are spectacular and rare. No, I don't have any to sell, just saying the Euryscop Serie II and III are superb and truly rare.