The present invention relates to an optical connection device for optically connecting a first connector (42) of a first optical fiber device (44) with a second connector (46) of a second optical fiber device (48) along an optical axis, which comprises a plug part (40) having an elongated shaft (58) having a longitudinal shaft axis (62) and a lumen (60) extending through the shaft (58) along the shaft axis (62) for receiving the first connector (42), the plug part (40) further having a cap (64) at a first end of the shaft (58) which has an insertion opening (66) for insertion of the first connector (42) into the lumen (60), the opening (66) being aligned and communicating with the lumen (60), the plug part (40) having an optical window (68) having a solid body element (69), wherein the plug part (40) is at least in part deformable； and a clamp part (18), wherein the plug part (40) is configured to be at least partially inserted into the clamp part (18), and the clamp part (18) is configured to, when the plug part (40) is at least partially inserted in the clamp part (18) and when the first connector (42) is inserted into the lumen (60) of the shaft (58) of the plug part (40), exert a force onto the plug part (40) which deforms the plug part (40) upon tightening the clamp part (18) so as to clamp and hold the first connector (42) in position and orientation with respect to the optical axis.x La présente invention concerne un dispositif de connexion optique pour connecter optiquement un premier connecteur (42) d'un premier dispositif à fibre optique (44) avec un second connecteur (46) d'un second dispositif à fibre optique (48) le long d'un axe optique, qui comprend une partie enfichable (40) ayant un arbre allongé (58) présentant un axe d'arbre longitudinal (62) et une lumière (60) s'étendant à travers l'arbre (58) le long de l'axe d'arbre (62) pour recevoir le premier connecteur (42), la partie enfichable (40) ayant en outre un capuchon (64) au niveau d'une première
