Ymarda Optics Most Popular 2.5X Binocular Loupes Surgical Loupes (2.5X Magnifier with Different Working Distances) (R (360-460mm) with Black Frame

The Loupes are good quality. (Nice case to keep them in!) I have only used them a couple of times (I work in an ER) but so far I am very happy with them. (I found them easy to adjust but I only have one eye so I did not have to try to adjust them for binocular use.) Highly recommend.