So, it's your famous LTM 1951 Orion 15! At last, you got it!
Congratulations, Cyril.

It seems it's a soft lens, which is quite normal.
Bravo too for these first pictures: the cliffs at Etretat and the harbour (le Havre, I think?). I particularly love this last one. Not really different from what I can obtain with my 6/28mm Zeiss Tessar wartime...
Amitiés. Jacques.