{"id":833,"date":"2026-07-20T15:56:50","date_gmt":"2026-07-20T15:56:50","guid":{"rendered":"https:\/\/zoephotonics.com\/?post_type=product&#038;p=833"},"modified":"2026-07-23T16:04:28","modified_gmt":"2026-07-23T16:04:28","slug":"negative-meniscus-lenses","status":"publish","type":"product","link":"https:\/\/zoephotonics.com\/zh\/product\/negative-meniscus-lenses\/","title":{"rendered":"Negative Meniscus Lenses"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-736\" src=\"http:\/\/zoephotonics.com\/wp-content\/uploads\/2026\/07\/\u8d1f\u5f2f\u6708\u5f62\u900f\u955c.webp-300x188.webp\" alt=\"\" width=\"300\" height=\"188\" srcset=\"https:\/\/zoephotonics.com\/wp-content\/uploads\/2026\/07\/\u8d1f\u5f2f\u6708\u5f62\u900f\u955c.webp-300x188.webp 300w, https:\/\/zoephotonics.com\/wp-content\/uploads\/2026\/07\/\u8d1f\u5f2f\u6708\u5f62\u900f\u955c.webp-18x12.webp 18w, https:\/\/zoephotonics.com\/wp-content\/uploads\/2026\/07\/\u8d1f\u5f2f\u6708\u5f62\u900f\u955c.webp.webp 448w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Negative Meniscus Lenses<\/p>\n<p>Negative meniscus lenses are designed to minimize spherical aberration. These N-BK7, UV fused silica, calcium fluoride, and zinc selenide lenses consist of a convex surface and a concave surface where the concave surface has the greater radius of curvature. In combination with another lens, a negative meniscus lens will decrease the NA of the system. A negative meniscus lens is a common element in beam expanding applications.<\/p>\n<p>&nbsp;<\/p>","protected":false},"featured_media":838,"template":"","meta":[],"product_brand":[27],"product_cat":[34],"product_tag":[26],"class_list":["post-833","product","type-product","status-publish","has-post-thumbnail","product_brand-zoe","product_cat-lens","product_tag-26","first","instock","taxable","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/product\/833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/media\/838"}],"wp:attachment":[{"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/media?parent=833"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/product_brand?post=833"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/product_cat?post=833"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/zoephotonics.com\/zh\/wp-json\/wp\/v2\/product_tag?post=833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}