I got this unmarked Petzval, with some fungal infection, for a decent price.
The only clue i have is that the lens comes from Germany.
My interest for old Petzvals is quite recent, and i don't have any lens with the same aesthetic features, so i have no idea about the maker.
I have learned about the peculiar hardware used by some makers, for example Bausch & Lomb or Darlot, which can help a lot in finding the same lenses for a cheaper price (because there is no reference on the barrel about the original maker).
In particular, i found two nice Darlots, one with waterhouse slot and the other for projection, which have no marks at all.
The shape of the knob and the black ring behind the lens shade are unmistakable... so i am reporting two examples which could be useful for those looking for a good find on the Web.
Here is a Petzval sold by the american importer:
http://farm6.static.flickr.com/5007/...753f228b37.jpg
and a Pulligny/Puyo soft lens, with the same "Darlot finish":
http://maciejgruszecki.files.wordpre...1/petzval1.jpg
Unfortunately i am in the dark about my new lens. It looks a bit like some Ross Petzvals, but those i have seen had a totally flat focusing knob, if i'm not mistaken.
I hope that somebody could recognize the brand from the shape of some particulars, like the knob, the front cap, or the lens shade.
Thanks in advance for your help.
cheers
CJ
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