Quote Originally Posted by E. von Hoegh View Post
Petzvals were designed as a fast portrait lens. When used as intended, there are no swirlies - the focal length was long for the intended format, and all the swirly stuff landed on the insides of the camera. The central zone of a Petzval is very sharp.
Ah, but some day, I'll have one. I've got serious Petzval GAS.