H.Duplouich lens info help.

[seanwang]

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 !

[Steven Tribe]

Not enough data to spot it in the P et P booklet which has Duplouich in it! Photo please and diameter of the lens?

[seanwang]

Not enough data to spot it in the P et P booklet which has Duplouich in it! Photo please and diameter of the lens?

Hi, Steven
Here is the photo, front diameter is 29mm. And the number 22 is marked on lens back ring .

[Steven Tribe]

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.

[seanwang]

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.

I think it is "dissymetrique anastigmat PRIOR F.8", I check front glass diameter it's 20mm, Protar design shows in picture.
Thanks Steven !