Zgood 3.5X 420mm Loupes Surgical Binocular Loupe Dental Magnifier (Black)

I ordered this loupe for hobby work and DIY jobs around the house with some reluctance. The price seemed too low for a high quality product. I was very surprised when I opened the nicely made semi-hard zipper case and removed a beautifully finished product. I was even more surprised when I adjusted them and tried the magnification on a project. The optical quality is quite good; more than adequate for my needs.A word to the wise for those who are not knowledgeable about optical magnification. Proper adjustment is critical to achieve binocularity. If they are just a little to wide or narrow, you will be seeing out of one lens or even worse, experience double vision. The distance between lenses must be close to the distance between your pupils at the near distance. You can find this out from your eyeglass prescription, your eye doctor, or have someone measure the distance between your pupils with a small ruler. After this is set, they must be angled so that they point roughly toward the focal distance (in this case 420 mm). The back of the lenses should come as close to resting on the spectacle lenses behind them as possible.My only slight disappointment was when I realized that I like to work a little closer than the 420 focal length and that the depth of field is fairly short. (Depth of field is the range from near to far that the object you are working at stays in focus).Even though other users have complained that they are heavy, for short projects I haven't found it objectionable since the nose pad is quite comfortable.My only other comment is that if you have a lot of astigmatism (greater than about 0.50 diopters-look at your glasses RX) or wear a strong plus or minus glasses correction, you would probably be better off with similar loupes that clip onto your glasses.Overall I am delighted with this product and would buy it again.

I got these for assembly of electronic circuits. I normally wear glasses for reading. I'm comparing this product to my prescription reading glasses and to a pair of 2.5+ off the rack $15 reading glasses. The image area is very narrow, slightly darker and slightly out of focus besides being uncomfortable. I tried them for an afternoon and never got used to them. I returned them today.If you use reading glasses, I'd stick with them for assembly and use a magnifier for closeup inspection of solder joints. If you don't wear reading glasses, but want a closer view, inexpensive readers in different magnifications will be more comfortable and clearer.

compared to the expenses of real loupes, these things function great for what they are. highly recommend for those just starting school and needing some cheap loupes to get used to the idea

Great product, i use it alot when doing fillings, would recommend it to anyone in dental field for what it's worth

Fantastic for watch repair and SMT reworkContrary to what the manual advises, I found I needed to adjust the "toe in" of the loupes when I changed interocularThat ended up working fine to eliminate double-imaging and assure proper convergenceI am hideously nearsighted but simply adjusting workpiece distance "by eye" allows good focusAdjusting everything properly the first time is a bit fiddly, but once adjusted it has been stable when treated with care

my eyes hurt looking through this device narrow tunnel vision.

I love itMore than expected

Good quality product for the money!

Product was fine but not for doing eyelash extensions. I returned it.

They're just what I needed for those intricate little jobs