What Does optical germanium lens Mean?

Detect: Undefined variable: error_enquiry in /www/wwwroot/shalomeo.com/catalog/check out/topic/shalomtpl2/template/item/products.tpl on line 133Our spherical plano-concave germanium lenses are primarily used to diverge a beam from a collimated light resource, or to boost the focal size of an optical process.Sadly Germanium is reasonable to higher t

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