Dr Klaus Schmitt
Well-known member
Hermagis 80mm (ca 1920) projection lens:
Nicest "magical" Petzval I ever found: https://www.flickr.com/photos/kds315/albums/72157646768358299
Nicest "magical" Petzval I ever found: https://www.flickr.com/photos/kds315/albums/72157646768358299