simple packaging plastic bag that it is pierced spanning the path and a tightening screw with twisted or deformed head, the thread is straight . just two three moletts will be better for the center of the lens the base is solid aluminum no plastqiue

emballage simple sac en plastique qui c'est perçé ependant le trajet et une vis de serrage avec la tete tordu ou deformé, le filetage est droit . juste deux moletttes trois serai mieux pour le centrage de l'objectif la base est en aluminium massif aucun plastqiue

simple packaging plastic bag that it is pierced spanning the path and a tightening screw with twisted or deformed head, the thread is straight . just two three moletts will be better for the center of the lens the base is solid aluminum no plastqiue