{"id":6995,"date":"2024-02-29T13:09:22","date_gmt":"2024-02-29T13:09:22","guid":{"rendered":"https:\/\/etaoptics.com\/?post_type=product&#038;p=6995"},"modified":"2024-02-29T13:18:54","modified_gmt":"2024-02-29T13:18:54","slug":"dcv068-calcium-fluoride-double-concave-lenses-uncoated-caf2-single-crystal-d25-40mm","status":"publish","type":"product","link":"https:\/\/www.etaoptics.com\/ko\/product\/dcv068-calcium-fluoride-double-concave-lenses-uncoated-caf2-single-crystal-d25-40mm\/","title":{"rendered":"DCV068, Calcium Fluoride Double-Concave Lenses, Uncoated CaF2 Single Crystal, D=25.40mm"},"content":{"rendered":"<div id=\"footable_parent_6998\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_0\" data-footable_id=\"6998\" data-filter-delay=\"1000\" aria-label=\"Parameters of DCV068\"            id=\"footable_6998\"\n           data-unique_identifier=\"ninja_table_unique_id_1474709639_6998\"\n           class=\" foo-table ninja_footable foo_table_6998 ninja_table_unique_id_1474709639_6998 ui table  nt_type_legacy_table selectable celled striped vertical_centered  footable-paging-right ninja_table_search_disabled ninja_table_pro\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                            <col class=\"ninja_column_2 \">\n                            <col class=\"ninja_column_3 \">\n                            <col class=\"ninja_column_4 \">\n                            <col class=\"ninja_column_5 \">\n                            <col class=\"ninja_column_6 \">\n                            <col class=\"ninja_column_7 \">\n                            <col class=\"ninja_column_8 \">\n                    <\/colgroup>\n        <thead>\n<tr class=\"footable-header\">\n                                                                                                                                                        <th scope=\"col\"  class=\"ninja_column_0 ninja_clmn_nm_code \">Code<\/th><th scope=\"col\"  class=\"ninja_column_1 ninja_clmn_nm_material \">Material<\/th><th scope=\"col\"  class=\"ninja_column_2 ninja_clmn_nm_ar_coating \">AR Coating<\/th><th scope=\"col\"  class=\"ninja_column_3 ninja_clmn_nm_diameter \">D-mm<\/th><th scope=\"col\"  class=\"ninja_column_4 ninja_clmn_nm_focal_length_efl \">EFL-mm<\/th><th scope=\"col\"  class=\"ninja_column_5 ninja_clmn_nm_back_focal_length_bfl \">BFL-mm<\/th><th scope=\"col\"  class=\"ninja_column_6 ninja_clmn_nm_radius_mm \">R1=R2-mm<\/th><th scope=\"col\"  class=\"ninja_column_7 ninja_clmn_nm_center_thickness_tc \">Tc-mm<\/th><th scope=\"col\"  class=\"ninja_column_8 ninja_clmn_nm_edge_thickness_te \">Te-mm<\/th><\/tr>\n<\/thead>\n<tbody>\n\n        <tr data-row_id=\"4092\" class=\"ninja_table_row_0 nt_row_id_4092\">\n            <td>DCV068-01<\/td><td>Calcium Fluoride (CaF2 Single Crystal) <\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-30.0<\/td><td>-30.9<\/td><td>26.4<\/td><td>2.5<\/td><td>9.0<\/td>        <\/tr>\n            <tr data-row_id=\"4093\" class=\"ninja_table_row_1 nt_row_id_4093\">\n            <td>DCV068-02<\/td><td>Calcium Fluoride (CaF2 Single Crystal) <\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-50.0<\/td><td>-51.0<\/td><td>43.8<\/td><td>3.0<\/td><td>6.8<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n\n\n\t<section class=\"section\" id=\"section_986931426\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-middle\"  id=\"row-1813958753\">\n\n\n\t<div id=\"col-1338410705\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Uncoated CaF\u2082 Double-Concave Lenses<\/h3>\n<p>These uncoated Double-Concave Lenses are manufactured using CaF2 Single Crystal(Calcium Fluoride), which can diverge the light.<\/p>\n<p>Double-Concave Lenses are made of two concave surfaces with same radius.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-953504460\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-3\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_180847641\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"587\" height=\"356\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV3.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV3.png 587w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV3-300x182.png 300w\" sizes=\"auto, (max-width: 587px) 100vw, 587px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_180847641 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_986931426 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1131262338\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row align-middle align-center\"  id=\"row-1045929264\">\n\n\n\t<div id=\"col-1138872193\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2080903136\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner box-shadow-3 dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"885\" height=\"671\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-GLH.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-GLH.png 885w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-GLH-300x227.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-GLH-768x582.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-GLH-600x455.png 600w\" sizes=\"auto, (max-width: 885px) 100vw, 885px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_2080903136 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-980513451\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row\"  id=\"row-1421277234\">\n\n\n\t<div id=\"col-823827215\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>DCV Lenses are usually used in beam expansion applications, light projection, or focal length of expansion.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-761909311\">\n\n\n\t<div id=\"col-716497443\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Tc---------- Center Thickness<br \/>\nTe---------- Edge Thickness<br \/>\nR1---------- Radius<br \/>\nDia---------- Diameter<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1770352803\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>BFL ---------- Back Focal Length<br \/>\nEFL ---------- Effective Focal Length<br \/>\nH'-------------- Principal Point<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-1045929264 > .col > .col-inner {\n  padding: 20px 0px 0px 0px;\n}\n<\/style>\n<\/div>\n<div class=\"row\"  id=\"row-280395715\">\n\n\n\t<div id=\"col-2015302740\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><div id=\"footable_parent_6905\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_1\" data-footable_id=\"6905\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Double-Convex Lenses-CaF2\"            id=\"footable_6905\"\n           data-unique_identifier=\"ninja_table_unique_id_479331579_6905\"\n           class=\" foo-table ninja_footable foo_table_6905 ninja_table_unique_id_479331579_6905 ui table  nt_type_legacy_table selectable striped vertical_centered  footable-paging-right ninjatable_hide_header_row ninja_table_search_disabled ninja_table_pro\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                    <\/colgroup>\n        <thead>\n<tr class=\"footable-header\">\n                                        <th scope=\"col\"  class=\"ninja_column_0 ninja_clmn_nm_1 \">1<\/th><th scope=\"col\"  class=\"ninja_column_1 ninja_clmn_nm_2 \">2<\/th><\/tr>\n<\/thead>\n<tbody>\n\n        <tr data-row_id=\"4028\" class=\"ninja_table_row_0 nt_row_id_4028\">\n            <td>Center Thickness Tolerance<\/td><td>\u00b10.1mm<\/td>        <\/tr>\n            <tr data-row_id=\"4029\" class=\"ninja_table_row_1 nt_row_id_4029\">\n            <td>Surface Irregular Accuracy<\/td><td>--<\/td>        <\/tr>\n            <tr data-row_id=\"4030\" class=\"ninja_table_row_2 nt_row_id_4030\">\n            <td>Centering Tolerance<\/td><td><3 arcmin<\/td>        <\/tr>\n            <tr data-row_id=\"4031\" class=\"ninja_table_row_3 nt_row_id_4031\">\n            <td>Bevelling<\/td><td><0.2\u00d745\u00b0<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-328874761\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><div id=\"footable_parent_6906\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_2\" data-footable_id=\"6906\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Double-Convex Lenses-CaF2-2\"            id=\"footable_6906\"\n           data-unique_identifier=\"ninja_table_unique_id_1242390617_6906\"\n           class=\" foo-table ninja_footable foo_table_6906 ninja_table_unique_id_1242390617_6906 ui table  nt_type_legacy_table selectable striped vertical_centered  footable-paging-right ninjatable_hide_header_row ninja_table_search_disabled ninja_table_pro\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                    <\/colgroup>\n        <thead>\n<tr class=\"footable-header\">\n                                        <th scope=\"col\"  class=\"ninja_column_0 ninja_clmn_nm_1 \">1<\/th><th scope=\"col\"  class=\"ninja_column_1 ninja_clmn_nm_2 \">2<\/th><\/tr>\n<\/thead>\n<tbody>\n\n        <tr data-row_id=\"4032\" class=\"ninja_table_row_0 nt_row_id_4032\">\n            <td>Design Wavelength<\/td><td>587.6nm<\/td>        <\/tr>\n            <tr data-row_id=\"4033\" class=\"ninja_table_row_1 nt_row_id_4033\">\n            <td>Focal Length Tolerance<\/td><td>\u00b11%<\/td>        <\/tr>\n            <tr data-row_id=\"4034\" class=\"ninja_table_row_2 nt_row_id_4034\">\n            <td>Diameter Tolerance<\/td><td>+0.0\/-0.1mm<\/td>        <\/tr>\n            <tr data-row_id=\"4035\" class=\"ninja_table_row_3 nt_row_id_4035\">\n            <td>Surface Quality<\/td><td>40\/20-60\/40<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-middle\"  id=\"row-379198452\">\n\n\n\t<div id=\"col-435166742\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Uncoated CaF2 Single Crystal(Calcium Fluoride) Double-Concave Lenses can also be coated with IR AR Coating 3-5um.<\/p>\n<p>Anti-reflection coating can reduce the reflectivity of each surface of the lens.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2116520503\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"347\" height=\"201\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/12\/IR-AR-COATING-3-5um.png\" class=\"attachment- size-\" alt=\"IR-AR-COATING-3-5um\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/12\/IR-AR-COATING-3-5um.png 347w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/12\/IR-AR-COATING-3-5um-300x174.png 300w\" sizes=\"auto, (max-width: 347px) 100vw, 347px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\n<h4>IR AR-Coating Ravg&lt;1.5%@3-5um<\/h4>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1131262338 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n  background-color: rgba(248, 248, 248, 0.669);\n}\n<\/style>\n\t<\/section>\n\t\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>DCV068, Calcium Fluoride Double-Concave Lenses, Uncoated CaF2 Single Crystal Focus Lenses.<\/li>\n<li>These Uncoated CaF2 Single Crystal Lenses with a diameter of 25.40mm, have different focal lengths for you to choose from, f-30.00 mm, and f-50.00 mm.<\/li>\n<\/ul>\n","protected":false},"featured_media":6989,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[37,41,76,140],"product_tag":[],"class_list":{"0":"post-6995","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lenses","7":"product_cat-double-concave-dcv-lenses","8":"product_cat-calcium-fluoride-caf2double-concave-lenses","9":"product_cat-uncoated-calcium-fluoride-caf2double-concave-lenses","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/product\/6995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/comments?post=6995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/media\/6989"}],"wp:attachment":[{"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/media?parent=6995"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/product_brand?post=6995"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/product_cat?post=6995"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.etaoptics.com\/ko\/wp-json\/wp\/v2\/product_tag?post=6995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}