Hello all,
I got this lens from a local seller. I believe it is a "Petzval typle" lens. It has a "W. Herrmann 8C Berlin" engraved on the lens. I've tried to find its background from web but I found nothing about "W. Herrmann". Can someone help and provide more information on this lens? Is it a "true" petzval lens?
Thanks!
Regards,
Jason
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