H.Duplouich lens, it marked on front element "GRAND ANGLE F/8 130m/m", so it's a protar design? I can not find any info of this H.Duplouich lens on internet. Thanks !
H.Duplouich lens, it marked on front element "GRAND ANGLE F/8 130m/m", so it's a protar design? I can not find any info of this H.Duplouich lens on internet. Thanks !
Not enough data to spot it in the P et P booklet which has Duplouich in it! Photo please and diameter of the lens?
It isn't there!
BUT.
It was made around 1914 (trademark and serial number).
It looks like a carry-on from the dissymetrique anastigmat PRIOR F.8 - made from 1900-1905. I enclose the catalogue data for this one. There was a 13.6cm version with a glass diameter (front) of 20mm.
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