G double flat triplety5/26/2023 We've now sold out of those marked "30X21" but we have plenty of the same loupe marked (correctly) "10X21". The manufacturer apologised, they explained it's all the same loupe and that they sell more if they print " 30X21" on them rather than "10X21". We bought a pack of these (a pack of 360) by accident. The one pictured above is typical of those I see at antiques fairs again, the sellers insist they are 30X magnification. Even a novice should be able to see that the magnification is nominal and cannot possibly be 30X. Pictured above is one I found at a market, marked '30X" (and guaranteed to be 30X by the seller). There seems to be a fashion for printing random numbers on magnifiers. It is the same size as a 1 cent (US or Euro). The coin in these pictures is a British 1p. This one is by Zeiss, the best that you can buy.ĮXAMPLES: 30X MAGNIFICATION, GENUINE AND FALSE No distortion, high contrast and very few reflections. (This particular item is discontinued but we do have a slightly better-quality model, click here to see it)Įxample of a £6.50 loupe, many traders like this one because the quality is quite 'acceptable' and they don't want to spend a lot of money, especially if they keep losing them.Įxample of a £29.50 loupe, a large lens with virtually no distortion, and good contrast, quite impressive (by Quicktest). This really is the best photo I could take! 20) - so 10X20 means 10X magnification with a lens diameter of 20mm. 10X) and the second number is the diameter of the lens in millimetres (e.g. The numbers: the first number is the magnification (e.g. The pictures are 'approximate' because I've simply held my camera to each lens (not the best way to take a photograph) and photographs on a monitor are never as good as real life. The following is just a very approximate idea of the difference in quality between lenses. When examining marks on jewellery or the quality of gemstones, or anything small (stamps, coins, insect & plant samples, PCB solder joints.) a loupe is your most important tool, without being able to see, all other tools and testers are useless. See all loupes categories in the Quicktest store Contentsĭifferent types of loupe and where to find themĪ loupe is a small folding magnifier, typically 10X magnification (though it can be as low as 5X or as high as 30X).
0 Comments
Leave a Reply. |