{"id":6141,"date":"2023-11-23T09:16:41","date_gmt":"2023-11-23T09:16:41","guid":{"rendered":"https:\/\/etaoptics.com\/?post_type=product&#038;p=6141"},"modified":"2023-11-23T09:17:41","modified_gmt":"2023-11-23T09:17:41","slug":"pcv079-uncoated-quartz-plano-concave-lenses-uv-fused-silica-d25-40mm","status":"publish","type":"product","link":"https:\/\/www.etaoptics.com\/de\/product\/pcv079-uncoated-quartz-plano-concave-lenses-uv-fused-silica-d25-40mm\/","title":{"rendered":"PCV079, Uncoated Quartz Plano-Concave Lenses, UV Fused Silica, D=25.40mm"},"content":{"rendered":"<div id=\"footable_parent_6140\"\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=\"6140\" data-filter-delay=\"1000\" aria-label=\"Parameters of PCV079\"            id=\"footable_6140\"\n           data-unique_identifier=\"ninja_table_unique_id_1556975191_6140\"\n           class=\" foo-table ninja_footable foo_table_6140 ninja_table_unique_id_1556975191_6140 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-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=\"3450\" class=\"ninja_table_row_0 nt_row_id_3450\">\n            <td>PCV079-01<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-35.0<\/td><td>-36.372<\/td><td>-16.05<\/td><td>2.00<\/td><td>8.24<\/td>        <\/tr>\n            <tr data-row_id=\"3457\" class=\"ninja_table_row_1 nt_row_id_3457\">\n            <td>PCV079-02<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-40.0<\/td><td>-41.027<\/td><td>-18.34<\/td><td>1.50<\/td><td>6.61<\/td>        <\/tr>\n            <tr data-row_id=\"3458\" class=\"ninja_table_row_2 nt_row_id_3458\">\n            <td>PCV079-03<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-50.0<\/td><td>-51.371<\/td><td>-22.92<\/td><td>2.00<\/td><td>5.84<\/td>        <\/tr>\n            <tr data-row_id=\"3459\" class=\"ninja_table_row_3 nt_row_id_3459\">\n            <td>PCV079-04<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-75.0<\/td><td>-76.371<\/td><td>-34.39<\/td><td>2.00<\/td><td>4.43<\/td>        <\/tr>\n            <tr data-row_id=\"3460\" class=\"ninja_table_row_4 nt_row_id_3460\">\n            <td>PCV079-05<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-100.0<\/td><td>-101.371<\/td><td>-45.85<\/td><td>2.00<\/td><td>3.79<\/td>        <\/tr>\n            <tr data-row_id=\"3461\" class=\"ninja_table_row_5 nt_row_id_3461\">\n            <td>PCV079-06<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-150.0<\/td><td>-151.371<\/td><td>-68.77<\/td><td>2.00<\/td><td>3.18<\/td>        <\/tr>\n            <tr data-row_id=\"3462\" class=\"ninja_table_row_6 nt_row_id_3462\">\n            <td>PCV079-07<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-175.0<\/td><td>-176.371<\/td><td>-80.23<\/td><td>2.00<\/td><td>3.01<\/td>        <\/tr>\n            <tr data-row_id=\"3463\" class=\"ninja_table_row_7 nt_row_id_3463\">\n            <td>PCV079-08<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-200.0<\/td><td>-201.380<\/td><td>-91.70<\/td><td>2.00<\/td><td>2.88<\/td>        <\/tr>\n            <tr data-row_id=\"3464\" class=\"ninja_table_row_8 nt_row_id_3464\">\n            <td>PCV079-09<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-250.0<\/td><td>-251.371<\/td><td>-114.62<\/td><td>2.00<\/td><td>2.77<\/td>        <\/tr>\n            <tr data-row_id=\"3465\" class=\"ninja_table_row_9 nt_row_id_3465\">\n            <td>PCV079-10<\/td><td>UV Fused Silica(Quartz)<\/td><td>Uncoated<\/td><td>\u042425.4<\/td><td>-400.0<\/td><td>-401.367<\/td><td>-183.39<\/td><td>2.00<\/td><td>2.44<\/td>        <\/tr>\n    <\/tbody><!--ninja_tobody_rendering_done-->\n    <\/table>\n    \n    \n    \n<\/div>\n\n\n\t<section class=\"section\" id=\"section_179663622\">\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-1153954462\">\n\n\n\t<div id=\"col-2063736435\" 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 Quartz Plano-Concave Lenses<\/h3>\n<p>These uncoated Quartz Plano-Concave Lenses are manufactured using UV Fused Silica.<\/p>\n<p>UV Quartz has a wider spectral range than K9 optical glass (185nm-2100nm), has excellent transmittance in the ultraviolet band, has a lower refractive index, better uniformity, smaller thermal expansion coefficient, and has higher chemical resistance and very low fluorescence, can be used to make a variety of optical components.<\/p>\n<p>They are often used in image ultimate systems and finite conjugate imaging systems. The greater the conjugation ratio is, the greater the aberration appears.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1822194078\" 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_804467960\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"436\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCX2.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCX2.jpg 694w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCX2-300x188.jpg 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCX2-600x377.jpg 600w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/>\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_804467960 {\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_179663622 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_2020620660\">\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-2133024404\">\n\n\n\t<div id=\"col-1330977526\" 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_304911615\">\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=\"843\" height=\"718\" src=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV.png 843w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-300x256.png 300w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-768x654.png 768w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/09\/DCV-600x511.png 600w\" sizes=\"auto, (max-width: 843px) 100vw, 843px\" \/>\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_304911615 {\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-671838107\" 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-1022433942\">\n\n\n\t<div id=\"col-1693483732\" 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>Plano-Concave Lenses are usually used in beam expansion applications, light projection, or focal length of expansion.<\/p>\n<p>One side is flat, the other side is concave.<\/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-1146392489\">\n\n\n\t<div id=\"col-1936677583\" 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-438433243\" 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-2133024404 > .col > .col-inner {\n  padding: 20px 0px 0px 0px;\n}\n<\/style>\n<\/div>\n<div class=\"row\"  id=\"row-1346037058\">\n\n\n\t<div id=\"col-1784427958\" 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_2138\"\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=\"2138\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Plano-Convex Lenses-GLH-1\"            id=\"footable_2138\"\n           data-unique_identifier=\"ninja_table_unique_id_403128436_2138\"\n           class=\" foo-table ninja_footable foo_table_2138 ninja_table_unique_id_403128436_2138 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=\"361\" class=\"ninja_table_row_0 nt_row_id_361\">\n            <td>Center Thickness Tolerance<\/td><td>\u00b10.2mm<\/td>        <\/tr>\n            <tr data-row_id=\"362\" class=\"ninja_table_row_1 nt_row_id_362\">\n            <td>Surface Irregular Accuracy<\/td><td>\u03bb\/4 @632.8nm<\/td>        <\/tr>\n            <tr data-row_id=\"363\" class=\"ninja_table_row_2 nt_row_id_363\">\n            <td>Centering Tolerance<\/td><td><3 arcmin<\/td>        <\/tr>\n            <tr data-row_id=\"364\" class=\"ninja_table_row_3 nt_row_id_364\">\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-1494319379\" 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_2136\"\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=\"2136\" data-filter-delay=\"1000\" aria-label=\"Technical Specifications of Uncoated Plano-Convex Lenses-GLH-2\"            id=\"footable_2136\"\n           data-unique_identifier=\"ninja_table_unique_id_757763370_2136\"\n           class=\" foo-table ninja_footable foo_table_2136 ninja_table_unique_id_757763370_2136 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=\"345\" class=\"ninja_table_row_0 nt_row_id_345\">\n            <td>Design Wavelength<\/td><td>587.6nm<\/td>        <\/tr>\n            <tr data-row_id=\"346\" class=\"ninja_table_row_1 nt_row_id_346\">\n            <td>Focal Length Tolerance<\/td><td>\u00b12%<\/td>        <\/tr>\n            <tr data-row_id=\"347\" class=\"ninja_table_row_2 nt_row_id_347\">\n            <td>Diameter Tolerance<\/td><td>+0.0\/-0.1mm<\/td>        <\/tr>\n            <tr data-row_id=\"348\" class=\"ninja_table_row_3 nt_row_id_348\">\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-1656266376\">\n\n\n\t<div id=\"col-497461821\" 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>Like all Plano-Concave Lenses, these lenses have a negative focal length, it can be used to diverge light.<\/p>\n<p>In order to minimize spherical aberration, the concave surface of the lens should face towards the light source.<br \/>In addition, they can be applied to counteract the effects of spherical aberrations caused by other lenses in optical systems.<\/p>\n<p>UV Fused Silica Plano-Concave Lenses can also be coated with UV AR Coating @ 250-450 nm, <br \/>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-559073482\" 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\/10\/01-uv.png\" class=\"attachment- size-\" alt=\"\" srcset=\"https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/01-uv.png 347w, https:\/\/www.etaoptics.com\/wp-content\/uploads\/2023\/10\/01-uv-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>UV AR-Coating Ravg&lt;0.5%@250-450nm<\/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<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_2020620660 {\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>PCV079, Uncoated UV Fused Silica Plano-Concave Lenses, made of UV Quartz.<\/li>\n<li>These Quartz Plano-concave Lenses with a diameter of 25.40mm, have different focal lengths for you to choose from, f-35.00mm, f-40.00mm, f-50.00mm, f-75.00mm, f-100.00mm, f-150.00mm, f-175.00mm, f-200.00mm, f-250.00mm, f-400.00mm.<\/li>\n<\/ul>\n","protected":false},"featured_media":3716,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[37,40,67,117],"product_tag":[],"class_list":{"0":"post-6141","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lenses","7":"product_cat-plano-concave-pcvlenses","8":"product_cat-uv-fused-silica-plano-concave-lenses","9":"product_cat-uncoated-uv-fused-silica-plano-concave-lenses","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-variable"},"_links":{"self":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product\/6141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/comments?post=6141"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/media\/3716"}],"wp:attachment":[{"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/media?parent=6141"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_brand?post=6141"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_cat?post=6141"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.etaoptics.com\/de\/wp-json\/wp\/v2\/product_tag?post=6141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}