{"id":3482,"date":"2024-07-09T00:00:00","date_gmt":"2024-07-09T00:00:00","guid":{"rendered":"https:\/\/ledrhythm.com\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html"},"modified":"2025-08-21T06:00:19","modified_gmt":"2025-08-21T06:00:19","slug":"how-to-look-at-the-beam-angle-of-outdoor-floodlights","status":"publish","type":"post","link":"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html","title":{"rendered":"\ube54 \uac01\ub3c4\uac00 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0 \uc815\ub9d0 \uc54c\uace0 \uacc4\uc2ed\ub2c8\uae4c?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3482\" class=\"elementor elementor-3482\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ad1bfb e-flex e-con-boxed e-con e-parent\" data-id=\"3ad1bfb\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a0a912 elementor-widget elementor-widget-heading\" data-id=\"6a0a912\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\ubaa9\ucc28<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\ud1a0\uae00<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#Introduction\" >\uc18c\uac1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#What_is_Beam_Angle\" >\ube54 \uac01\ub3c4\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#Beam_Angle_Calculator%E2%80%8B\" >\ube54 \uac01\ub3c4 \uacc4\uc0b0\uae30<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#How_to_choose_right_beam_angle\" >\uc62c\ubc14\ub978 \ube54 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud558\ub098\uc694?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#Conclusion\" >\uacb0\ub860<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ledrhythm.com\/ko\/news\/how-to-look-at-the-beam-angle-of-outdoor-floodlights.html\/#People_Also_Ask\" >\uc0ac\ub78c\ub4e4\uc774 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\uc18c\uac1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aba5b03 elementor-widget elementor-widget-text-editor\" data-id=\"aba5b03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\ud22c\uad11 \uc870\uba85\uacfc \uad00\ub828\ud558\uc5ec \"\ube54 \uac01\ub3c4\"\ub77c\ub294 \uc6a9\uc5b4\ub97c \uc790\uc8fc \ub4e3\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ube54 \uac01\ub3c4\ub97c \uc81c\ub300\ub85c \uc774\ud574\ud558\uace0 \uacc4\uc2e0\uac00\uc694? \ube54 \uac01\ub3c4\uac00 \uc870\uba85 \ubc94\uc704\uc640 \uade0\uc77c\uc131\uc5d0 \uc65c \uadf8\ub807\uac8c \uc911\uc694\ud55c\uac00\uc694? \uc774 \uae00\uc5d0\uc11c\ub294 \ube54 \uac01\ub3c4\uc758 \uac1c\ub150\uacfc \uacc4\uc0b0 \uacf5\uc2dd\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-114c8ae elementor-widget elementor-widget-heading\" data-id=\"114c8ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"What_is_Beam_Angle\"><\/span>\ube54 \uac01\ub3c4\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-620492a e-con-full e-flex e-con e-child\" data-id=\"620492a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da14247 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"da14247\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\ube54 \uac01\ub3c4\ub294 \ub7a8\ud504\uc5d0\uc11c \ubc29\ucd9c\ub418\ub294 \ube5b\uc758 \uad11\uc120\uc758 \ud3ed \ub610\ub294 \ud655\uc0b0\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ube5b\uc774 \ucd5c\ub300 \uad11\ub3c4\ub97c \ubc29\ucd9c\ud558\ub294 \uc120\uc744 \uad11\ucd95\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p><ul><li><strong>B50%(FWHM, \ucd5c\ub300 \uc808\ubc18 \uc804\uccb4 \ud3ed)<\/strong><br \/>\uc774\uac83\uc740 \uad6d\uc81c\uc801\uc73c\ub85c \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ube54 \uac01\ub3c4\uc758 \uc815\uc758\uc785\ub2c8\ub2e4. \ub7a8\ud504\uc758 \uad11\ucd95 \ud3c9\uba74\uc5d0\uc11c \ube5b\uc758 \uac15\ub3c4\uac00 \ucd5c\ub300 \uac15\ub3c4\uc758 50%\ub85c \ub5a8\uc5b4\uc9c0\ub294 \ub450 \ubc29\ud5a5 \uc0ac\uc774\uc758 \uac01\ub3c4\uac00 \ube54 \uac01\ub3c4\uc785\ub2c8\ub2e4.<\/li><li><strong>B10%<\/strong><br \/>\uc870\uba85\uae30\uad6c\uc758 \uad11\ucd95\uc5d0\uc11c \ub450 \ubc29\ud5a5 \uc0ac\uc774\uc758 \uac01\ub3c4\ub85c, \uad11\ub3c4\uac00 \ucd5c\ub300 \uac15\ub3c4\uc778 10%\ub85c \ub5a8\uc5b4\uc9c0\ub294 \uac01\ub3c4\uc785\ub2c8\ub2e4. \uc77c\ubd80 \uc81c\uc870\uc5c5\uccb4\ub294 \ub354 \ub113\uc740 \ube54 \uac01\ub3c4\ub97c \ub098\ud0c0\ub0b4\uae30 \uc704\ud574 B10%\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee16d8e elementor-widget elementor-widget-image\" data-id=\"ee16d8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"828\" height=\"677\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle.webp\" class=\"attachment-large size-large wp-image-6898\" alt=\"\ube54 \uac01\ub3c4\ub780?\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle.webp 828w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-300x245.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-768x628.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-15x12.webp 15w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/what-is-beam-angle-700x572.webp 700w\" sizes=\"(max-width: 828px) 100vw, 828px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-751d526 elementor-widget elementor-widget-text-editor\" data-id=\"751d526\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\uc608\ub97c \ub4e4\uc5b4 \uc608: \uc870\uba85\uae30\uad6c\uc758 \uc911\uc2ec \uad11\ub3c4\ub294 10,000cd\uc785\ub2c8\ub2e4.<\/p><ul><li>\ube5b\uc758 \uac15\ub3c4\ub294 0\u00b0(10,000cd)\uc5d0\uc11c \ucd5c\ub300\uc785\ub2c8\ub2e4.<\/li><li>30\u00b0\uc5d0\uc11c \uad11\ub3c4\ub294 5,000cd\uc785\ub2c8\ub2e4.<\/li><li>45\u00b0\uc5d0\uc11c \uad11\ub3c4\ub294 1,000cd\uc785\ub2c8\ub2e4.<\/li><\/ul><p>\ub530\ub77c\uc11c \ube54 \uac01\ub3c4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: B50% \ube54 \uac01\ub3c4 = 60\u00b0(-30\u00b0\uc5d0\uc11c +30\u00b0\ub85c \uc774\ub3d9\ud558\uae30 \ub54c\ubb38\uc5d0), B10% \ube54 \uac01\ub3c4 = 90\u00b0(-45\u00b0\uc5d0\uc11c +45\u00b0\ub85c \uc774\ub3d9\ud558\uae30 \ub54c\ubb38\uc5d0).<\/p><table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; text-align: center;\"><thead><tr><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\uce74\ud14c\uace0\ub9ac<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\uc77c\ubc18\uc801\uc778 \ubc94\uc704(\u00b0)<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\ud2b9\uc9d5<\/th><\/tr><\/thead><tbody><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc881\uc740<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">10\u00b0-30\u00b0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\ud30c\uc0ac\ub4dc, \ub3d9\uc0c1, \uc6d0\uac70\ub9ac \ucd08\uc810<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uace0\uac15\ub3c4, \uc120\uba85\ud55c \ub300\ube44, \uc791\uc740 \uba74\uc801<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Medium<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">30\u00b0-60\u00b0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\ucd9c\uc785\uad6c, \uc548\ub730, \uc0b0\ucc45\ub85c<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uade0\ud615 \uc7a1\ud78c \ucee4\ubc84\ub9ac\uc9c0\uc640 \ubc1d\uae30<\/td><\/tr><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc640\uc774\ub4dc<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">60\u00b0-120\u00b0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc8fc\ucc28\uc7a5, \ucc3d\uace0, \uc6b4\ub3d9\uc7a5<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\ub113\uc740 \uc601\uc5ed, \uace0\ub978 \uc870\uba85, \ub0ae\uc740 \uc911\uc559 \uc870\uba85<\/td><\/tr><\/tbody><tfoot><tr><td style=\"padding: 8px; border: 1px solid #e5e7eb; font-size: 12px; color: #555;\" colspan=\"4\">\ucc38\uace0: \ubc94\uc704\ub294 \uc77c\ubc18\uc801\uc778 \uac12\uc785\ub2c8\ub2e4. \ube54 \uac01\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c B50%(FWHM)\ub85c \uc815\uc758\ub429\ub2c8\ub2e4.<\/td><\/tr><\/tfoot><\/table><p><img decoding=\"async\" class=\"size-full wp-image-6901 aligncenter\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light.webp\" alt=\"\ube54 \uac01\ub3c4 \uacc4\uc0b0\uae30\" width=\"850\" height=\"245\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light.webp 850w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-300x86.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-768x221.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-18x5.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2024\/07\/various-beam-angle-linear-light-700x202.webp 700w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd25dee elementor-widget elementor-widget-heading\" data-id=\"bd25dee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Beam_Angle_Calculator%E2%80%8B\"><\/span>\ube54 \uac01\ub3c4 \uacc4\uc0b0\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a2c5a7 elementor-widget elementor-widget-text-editor\" data-id=\"3a2c5a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\uc800\ud76c\uac00 \uc0ac\uc6a9\ud558\ub294 \ube54 \uac01\ub3c4 \uacc4\uc0b0\uae30\ub294 \uc54c\ub824\uc9c4 \ube54 \uac01\ub3c4\ub97c \uae30\ubc18\uc73c\ub85c \uc870\uc0ac \ubc94\uc704\uc640 \uc124\uce58 \ub192\uc774\ub97c \ucd94\uc815\ud569\ub2c8\ub2e4. \ube54 \uac01\ub3c4\ub294 \uc81c\uc870\uc5c5\uccb4\uac00 \uc2e4\ud5d8\uc2e4\uc5d0\uc11c \uce21\uc815\ud558\uace0 \uc81c\ud488 \ub9e4\uac1c\ubcc0\uc218\uc5d0 \ud45c\uc2dc\ud558\ub294 \uad11\ud559 \uce21\uc815\uac12\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p><p><strong>\ube54 \uac01\ub3c4 \uacc4\uc0b0\uae30 \uacf5\uc2dd: D = \ud0c4 (\u03b8 \/ 2) \u00d7 L<\/strong><\/p><p>\uc758\ubbf8:<\/p><ul><li>D = \uc870\uba85 \uc601\uc5ed \ubc18\uacbd<\/li><li>\u03b8 = \ube54 \uac01\ub3c4<\/li><li>L = \uc7a5\ucc29 \ub192\uc774<\/li><\/ul><p>\uacc4\uc0b0 \uc608\uc2dc: \uc870\uba85\uc774 5m \ub192\uc774\uc5d0 \uc124\uce58\ub418\uace0 \ube54 \uac01\ub3c4\uac00 60\u00b0\uc778 \uacbd\uc6b0:<\/p><ul><li>D = \ud0c4(30\u00b0)\u00d75 = 2.89m<\/li><\/ul><p>\uc870\uc0ac \ubc94\uc704\ub97c \uc54c\uace0 \uc788\ub294 \uacbd\uc6b0 \uc124\uce58 \ub192\uc774\ub97c \uacc4\uc0b0\ud560 \ub54c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. \uacb0\uacfc\ub97c \uc9c1\uc811 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c82aedb elementor-widget elementor-widget-html\" data-id=\"c82aedb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<p>\uacf5\uc2dd: <strong>D = L \u00d7 tan(\u03b8 \/ 2)<\/strong><\/p>\r\n\r\n<div style=\"display:flex; gap:10px; flex-wrap:wrap; margin-bottom:10px;\">\r\n  <div style=\"flex:1; min-width:100px;\">\r\n    <label>\uc7a5\ucc29 \ub192\uc774(L):<\/label><br>\r\n    <input type=\"number\" id=\"height\" placeholder=\"\ub192\uc774 \uc785\ub825\" step=\"0.01\" style=\"width:100%;\">\r\n  <\/div>\r\n\r\n  <div style=\"flex:1; min-width:100px;\">\r\n    <label>\ube54 \uac01\ub3c4(\u03b8, \ub3c4 \ub2e8\uc704):<\/label><br>\r\n    <input type=\"number\" id=\"angle\" placeholder=\"\uac01\ub3c4 \uc785\ub825\" step=\"0.1\" style=\"width:100%;\">\r\n  <\/div>\r\n\r\n  <div style=\"flex:1; min-width:100px;\">\r\n    <label>\ub2e8\uc704:<\/label><br>\r\n    <select id=\"unit\" style=\"width:100%;\">\r\n      <option value=\"m\">\ubbf8\ud130(m)<\/option>\r\n      <option value=\"ft\">\ud53c\ud2b8(\ud53c\ud2b8)<\/option>\r\n    <\/select>\r\n  <\/div>\r\n\r\n  <div style=\"flex:1; min-width:100px; display:flex; align-items:flex-end;\">\r\n    <button onclick=\"calculate()\" style=\"width:100%;\">\uacc4\uc0b0<\/button>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"result\" id=\"output\" style=\"margin-top:10px;\"><\/div>\r\n\r\n<script>\r\nfunction calculate() {\r\n  \/\/ \u83b7\u53d6\u7528\u6237\u8f93\u5165\r\n  const L = parseFloat(document.getElementById('height').value);\r\n  const theta = parseFloat(document.getElementById('angle').value);\r\n  const unit = document.getElementById('unit').value;\r\n\r\n  \/\/ \u9a8c\u8bc1\u8f93\u5165\r\n  if (isNaN(L) || isNaN(theta) || L <= 0 || theta <= 0) {\r\n    document.getElementById('output').innerText = \"\u26a0\ufe0f Please enter valid values.\";\r\n    return;\r\n  }\r\n\r\n  \/\/ \u8ba1\u7b97\u534a\u5f84\u548c\u76f4\u5f84\r\n  const radians = theta * Math.PI \/ 180;  \r\n  const radius = L * Math.tan(radians \/ 2);\r\n  const diameter = 2 * radius;\r\n\r\n  \/\/ \u8f93\u51fa\u7ed3\u679c\r\n  document.getElementById('output').innerHTML =\r\n    `Beam radius \u2248 <b>${radius.toFixed(2)} ${unit}<\/b><br>\r\n     Beam diameter \u2248 <b>${diameter.toFixed(2)} ${unit}<\/b>`;\r\n}\r\n<\/script>\r\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fe0933 elementor-widget elementor-widget-heading\" data-id=\"1fe0933\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"How_to_choose_right_beam_angle\"><\/span>\uc62c\ubc14\ub978 \ube54 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud558\ub098\uc694?<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b70603 elementor-widget elementor-widget-text-editor\" data-id=\"0b70603\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\uc870\uba85 \uc694\uad6c \uc0ac\ud56d<\/strong><\/p><ul><li>\uc870\uac01\ud488\uacfc \uadf8\ub9bc\uc744 \uac15\uc870\ud558\ub824\uba74(\uc561\uc13c\ud2b8 \uc870\uba85): \uc881\uc740 \ube54(15\u00b0-24\u00b0)\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li><li>\ubcbd\uacfc \uadf8\ub9bc\uc744 \ube44\ucd94\ub824\uba74(\uc6d4\uc6cc\uc2dc \uc870\uba85): \uc911\uac04 \ube54(24\u00b0-36\u00b0)\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li><li>\uae30\ubcf8\uc801\uc778 \uacf5\uac04 \uc870\uba85\uc744 \uc81c\uacf5\ud558\uac70\ub098 \ubcf5\ub3c4\ub97c \ube44\ucd94\ub294 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4: \uc911\uac04 \ud3ed \ube54(36\u00b0-45\u00b0)\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li><li>\ubc29 \uc804\uccb4\ub97c \ube44\ucd94\ub824\uba74(\uc8fc\ubcc0 \uc870\uba85): \ub113\uc740 \ube54(&gt;60\u00b0)\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li><li>\ub113\uc740 \uc2e4\uc678 \uacf5\uac04\uc744 \ube44\ucd94\ub824\uba74: \ub9e4\uc6b0 \ub113\uc740 \ube54(90\u00b0 \uc774\uc0c1)\uc774 \uc788\ub294 \ud22c\uad11 \uc870\uba85\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/li><\/ul><p><strong>\uc870\uba85 \uac70\ub9ac<\/strong><\/p><p>\uad11\uc6d0\uc774 \uc870\uba85 \ub300\uc0c1 \ubb3c\uccb4\uc5d0\uc11c \uba40\uc5b4\uc9c8\uc218\ub85d \ub3d9\uc77c\ud55c \uc2a4\ud31f \ud06c\uae30\ub97c \uc0dd\uc131\ud558\ub294 \ub370 \ud544\uc694\ud55c \ube54 \uac01\ub3c4\uac00 \uc881\uc544\uc9d1\ub2c8\ub2e4.<\/p><table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; text-align: center;\"><thead><tr><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\uad8c\uc7a5 \ube54 \uac01\ub3c4<\/th><th style=\"background: #253D96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">\uc774\uc720<\/th><\/tr><\/thead><tbody><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc608\uc220 \uc791\ud488 \ub610\ub294 \ub3d9\uc0c1 \uc2a4\ud3ec\ud2b8\ub77c\uc774\ud2b8<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">10\u00b0-30\u00b0(\uc881\uc740)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc791\uc740 \uc601\uc5ed\uc5d0 \ube5b\uc744 \uc9d1\uc911\ud558\uace0 \ub300\ube44\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc77c\ubc18 \ubc29 \ub610\ub294 \ubcf5\ub3c4 \uc870\uba85<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">30\u00b0-60\u00b0(\uc911\uac04)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uade0\ud615 \uc7a1\ud78c \ucee4\ubc84\ub9ac\uc9c0\uc640 \ubc1d\uae30<\/td><\/tr><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc8fc\ucc28\uc7a5, \uc6b4\ub3d9\uc7a5, \ucc3d\uace0<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">60\u00b0-120\u00b0(\uc640\uc774\ub4dc)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\ub113\uc740 \uc601\uc5ed\uc744 \uade0\uc77c\ud558\uac8c \uc870\uba85\ud558\uace0 \uadf8\ub9bc\uc790\ub97c \uc904\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc120\ubc18 \ub610\ub294 \uc9c4\uc5f4\uc7a5\uc6a9 \uc561\uc13c\ud2b8 \uc870\uba85<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">20\u00b0~40\u00b0(\uc881\uc74c~\uc911\uac04)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\ube5b\uc774 \uc0c8\uc9c0 \uc54a\ub294 \uc81c\ud488 \ud558\uc774\ub77c\uc774\ud2b8<\/td><\/tr><tr style=\"background: #f8fafc;\"><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc57c\uc678 \uc815\uc6d0 \ub610\ub294 \uc870\uacbd \uc870\uba85<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">30\u00b0-90\u00b0(\uc911\uac04~\uad11\uac01)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">\uc2dd\ubb3c\uacfc \uae38\uc5d0 \ubd80\ub4dc\ub7fd\uace0 \uace0\ub978 \uc870\uba85 \uc81c\uacf5<\/td><\/tr><\/tbody><tfoot><tr><td style=\"padding: 8px; border: 1px solid #e5e7eb; font-size: 12px; color: #555;\" colspan=\"3\">\ucc38\uace0: \ube54 \uac01\ub3c4\ub294 \ub300\ub7b5\uc801\uc778 \uc218\uce58\uc774\ubbc0\ub85c \ucc9c\uc7a5 \ub192\uc774\uc640 \uba74\uc801 \ud06c\uae30\uc5d0 \ub530\ub77c \uc120\ud0dd\ud558\uc138\uc694.<\/td><\/tr><\/tfoot><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cdbc0a elementor-widget elementor-widget-heading\" data-id=\"9cdbc0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\uacb0\ub860<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b7797cf elementor-widget elementor-widget-text-editor\" data-id=\"b7797cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\ube54 \uac01\ub3c4\ub294 \ube5b\uc758 \ubaa8\uc591\uacfc \ud655\uc0b0\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \ube54 \uac01\ub3c4\ub97c \uc774\ud574\ud558\uace0 \uc0ac\uc6a9\ud558\uba74 \ub354 \ub098\uc740 \uc870\uba85 \ud658\uacbd\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub7a8\ud504\ub97c \uc120\ud0dd\ud560 \ub54c\ub294 \uc640\ud2b8(\ubc1d\uae30)\uc640 \uc0c9\uc628\ub3c4(\uc0c9\uc0c1)\ubfd0\ub9cc \uc544\ub2c8\ub77c \ube54 \uac01\ub3c4\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd94\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p><p>\uc18c\ub2c8\ub294 \uc0b0\uc5c5 \ubc0f \uc0c1\uc5c5\uc6a9 LED \uc870\uba85 \uc804\ubb38 \uc81c\uc870\uc5c5\uccb4\uc785\ub2c8\ub2e4. \uc18c\ub2c8\uc758 \uc870\uba85\uc740 \ub2e4\uc591\ud55c \ube54 \uac01\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. <a href=\"https:\/\/ledrhythm.com\/ko\/guestbook\/\" target=\"_blank\" rel=\"noopener\">\ubb38\uc758\ud558\uae30<\/a> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uc870\uba85 \uc194\ub8e8\uc158\uc744 \uc0ac\uc6a9\uc790 \uc9c0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e1d1c8 elementor-widget elementor-widget-heading\" data-id=\"2e1d1c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"People_Also_Ask\"><\/span>\uc0ac\ub78c\ub4e4\uc774 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9b6c92 elementor-widget elementor-widget-n-accordion\" data-id=\"f9b6c92\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"\uc544\ucf54\ub514\uc5b8. Enter \ub610\ub294 \uc2a4\ud398\uc774\uc2a4\ub85c \ub9c1\ud06c\ub97c \uc5f4\uace0, Escape\ub85c \ub2eb\uace0, \ud654\uc0b4\ud45c \ud0a4\ub85c \ud0d0\uc0c9\ud569\ub2c8\ub2e4.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2610\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2610\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> \ube54 \uac01\ub3c4\ub294 \uc5b4\ub5bb\uac8c \uce21\uc815\ud558\ub098\uc694? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2610\" class=\"elementor-element elementor-element-fe40a65 e-con-full e-flex e-con e-child\" data-id=\"fe40a65\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-154bf1a elementor-widget elementor-widget-text-editor\" data-id=\"154bf1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\ube54 \uac01\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uad11\ub3c4\uacc4 \ub610\ub294 \uc870\ub3c4\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2e4\ud5d8\uc2e4\uc5d0\uc11c \uce21\uc815\ud569\ub2c8\ub2e4. \ud45c\uc900 \ubc29\ubc95\uc740 IES \ub370\uc774\ud130 \ub610\ub294 \ud45c\uba74\uc5d0\uc11c \uc9c1\uc811 \uce21\uc815\ud558\uc5ec \uad11\ub3c4\uac00 \ucd5c\ub300\uac12(B50%)\uc758 50%\ub85c \ub5a8\uc5b4\uc9c0\ub294 \uac01\ub3c4\ub97c \uacb0\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2611\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2611\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> \ud22c\uad11 \uc870\uba85\uc5d0\ub294 \uc5b4\ub5a4 \ube54 \uac01\ub3c4\uac00 \uac00\uc7a5 \uc801\ud569\ud560\uae4c\uc694? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2611\" class=\"elementor-element elementor-element-1b73bc3 e-con-full e-flex e-con e-child\" data-id=\"1b73bc3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40ea463 elementor-widget elementor-widget-text-editor\" data-id=\"40ea463\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\ud22c\uad11 \uc870\uba85\uc744 \uc704\ud55c \ucd5c\uc801\uc758 \ube54 \uac01\ub3c4\ub294 \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4:<\/p><ul><li>\uc881\uc740 \ube54 \uac01\ub3c4(10\u00b0-30\u00b0): \ud2b9\uc815 \ubb3c\uccb4\ub098 \uc601\uc5ed\uc744 \uac15\uc870\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li><li>\uc911\uac04 \ube54 \uac01\ub3c4(30\u00b0-60\u00b0): \uc77c\ubc18 \uc601\uc5ed \uc870\uba85\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li><li>\ub113\uc740 \ube54 \uac01\ub3c4(60\u00b0-120\u00b0): \uc6b4\ub3d9\uc7a5\uc774\ub098 \uc8fc\ucc28\uc7a5\uacfc \uac19\uc740 \ub113\uc740 \uacf5\uac04\uc744 \ube44\ucd94\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2612\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2612\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> \uacf5\uc7a5 \ucd9c\uace0 \ud6c4 \uc870\uba85\uae30\uad6c\uc758 \ube54 \uac01\ub3c4\uac00 \uace0\uc815\ub418\uc5b4 \uc788\ub098\uc694? 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