New arrived HERMAGIS casket lens
The set lens has 4 elements, No.5,6,7 and last one with no number but has "HERMAGIS Opt'n Fab't Bte Paris Aplanastimatique 1:6.8 F=310m/m" on the rim.
Lens is very heavy! More than 1kg.
Shows following.
The seller told me that this HERMAGIS casket lens can cover 8x10 even lager, maybe above 11x14. That's ture? And I find the combination table in the internet, does it correct? --- but I'm not understand it...
The last one is likely to be the same focal length as the No. 5, so that the two combined give a 310mm f:6.8. Cells 6 and 7 are shorter - if Hermagis were consistent in the numbering, the No. 7 should be a 360mm when used alone.
The combination table for my "Trousse No. 7" seems correct.
www.casket-set.com
Originally Posted by Ole Tjugen
Ole, thanks!
I can't post pictures in my office's computer. For single cell, it has three images in reflection(2 lighter, 1 darker), so I guess it contain two or three glass.
find a computer.
here is picture and the combination table. Is that correct?
It seems that the conversion table was made for a larger set, so it may not be correct for the one you have. That table also indicates that the focal lengths of the cells were NOT constant, since my No.7 cell is 360mm and the one in the table is 250mm.
As you might be able to see from the picture, my Hermagis Trousse Aplanatique has a kind of bayonet fitting - you only have to rotate the cell a fraction of a turn to screw it tight, the threads are removed in three sectors.
Mine also has three cells marked 7, 8 and 9, while the fourth cell is marked Somethingorother (I'm at work now) 210mm f:6.8.
Hi
Thats the conversion table from the set I sold to hollis on ebay which is an earlier set? not marked Aplanastimatique? I have a Hermagis catalogue with " trousse d' Aplanastigmat Hermagis " as a new edition this includes a conversion table for - Trousse No 7/6/5. I don't Know if it will help? I'll post it on this thread when I get a chance.
Thanks and Regards
Sven
wait, what? I never got a conversion table.
Hi
Oop's, Sorry Hollis I now realise its the conversion chart from the set I kept (the E Francis trousse rectilinear multipules). Its still here in the casket so to speak.
Again apoligies to Hollis
Sven
no worries. Do you have a chart for the set that I have? Just wondering.
Trousse No 7/6/5, I think it should be correct table, on my lens it marked this number.
Thanks and Waiting......
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