Heine 3.5x loupes - 420mm / 16"

Description

Heine 3.5x loupes.
Spectacle frame inner width: 140mm
Working distance: 420mm / 16" (for an emmetrope subject).
Some internal lines can be seen looking from a certain distance through the left frontal lens. See pictures.
In my opinion these lines do not compromise clinical use: I don't see anything wrong when I wear the glasses.
I post from Italy.
International customers: please ask about shipping costs before bidding.
International customers outside the EU: possible custom import duties, taxes, and charges are not included in the item price or shipping
.
These are the buyer's responsibility.