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DIN 40X achromatic objective lens with screw-on case. Standard 40X/0.65, DIN 160/0.17 achromatic objective lens. We will do our best to solve problems for you.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.