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<p>[QUOTE=&quot;desertgem, post: 3168625, member: 15199&quot;]1. Make sure the lens are glass. Some very inexpensive magnifiers are plastic for children use and suffer from aberration. Glass&nbsp; Achromatic lens have 2 lens next to each other to form the image , but still suffer from color aberration so the edges of an image appear fuzzy. Apochromatic lens have 3 or more lens each designed to correct&nbsp; the colors to focus at a point, so the edges are crisp and do not always appear as doubled or odd if not. But these cost more so fewer use them, but they should last a life time. Stay away from usb magnifiers/microscope because they use software that manipulates the image any you see things that aren&#039;t there.</p><p>Hasting, B &amp; L , Nikon, Unitron, are excellent glasses if not dropped and separate the elements.</p><p>For the price I recommend this one. Nice with the lanyard at shows and it is military grade hastings design as is B&amp; L and others&nbsp; ( 10X). Importantly it has a wide aperture of 21mm and at focus , image is 17 mm.</p><p>&nbsp; <a href="https://www.amazon.com/BelOMO-Triplet-Magnifier-Attached-Anti-Reflection/dp/B000EHLU8U/ref=pd_day0_hl_229_4?_encoding=UTF8&amp;pd_rd_i=B000EHLU8U&amp;pd_rd_r=c4052a66-a64f-11e8-acf9-ed1eb82f707b&amp;pd_rd_w=G1FQD&amp;pd_rd_wg=OmZBN&amp;pf_rd_i=desktop-dp-sims&amp;pf_rd_m=ATVPDKIKX0DER&amp;pf_rd_p=6a8492ae-b1a9-47e4-8244-e55b8611820c&amp;pf_rd_r=1MY507QGATP3DBXV2RKV&amp;pf_rd_s=desktop-dp-sims&amp;pf_rd_t=40701&amp;psc=1&amp;refRID=1MY507QGATP3DBXV2RKV" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.amazon.com/BelOMO-Triplet-Magnifier-Attached-Anti-Reflection/dp/B000EHLU8U/ref=pd_day0_hl_229_4?_encoding=UTF8&amp;pd_rd_i=B000EHLU8U&amp;pd_rd_r=c4052a66-a64f-11e8-acf9-ed1eb82f707b&amp;pd_rd_w=G1FQD&amp;pd_rd_wg=OmZBN&amp;pf_rd_i=desktop-dp-sims&amp;pf_rd_m=ATVPDKIKX0DER&amp;pf_rd_p=6a8492ae-b1a9-47e4-8244-e55b8611820c&amp;pf_rd_r=1MY507QGATP3DBXV2RKV&amp;pf_rd_s=desktop-dp-sims&amp;pf_rd_t=40701&amp;psc=1&amp;refRID=1MY507QGATP3DBXV2RKV" rel="nofollow">https://www.amazon.com/BelOMO-Triplet-Magnifier-Attached-Anti-Reflection/dp/B000EHLU8U/</a>[/QUOTE]</p><p><br /></p>

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