{"id":18656,"date":"2014-12-15T13:44:26","date_gmt":"2014-12-15T06:44:26","guid":{"rendered":"https:\/\/banbientan.com\/?p=18656"},"modified":"2014-12-15T13:44:26","modified_gmt":"2014-12-15T06:44:26","slug":"ky-thuat-chieu-sang","status":"publish","type":"post","link":"https:\/\/hunglong.banbientan.com\/?p=18656","title":{"rendered":"K\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng"},"content":{"rendered":"<p><strong>Chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-truc-tiep.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18878 size-medium\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-truc-tiep-300x231.jpg\" alt=\"chieu sang truc tiep\" width=\"300\" height=\"231\" \/><\/a><\/strong><br \/>\nTrong s\u1ed1 c\u00e1c k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng, k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t l\u00e0 chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp.\u00c1nh s\u00e1ng \u0111\u01b0\u1ee3c chi\u1ebfu tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u1ed9t v\u1eadt \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u00f3ng t\u1ed1i kh\u00e1c nhau.<br \/>\nPh\u01b0\u01a1ng ph\u00e1p chi\u1ebfu s\u00e1ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho vi\u1ec7cnh\u1eadn bi\u1ebft c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 chi\u1ebfu s\u00e1ng d\u1ec5 d\u00e0ng nh\u01b0ng c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n.Tuy nhi\u00ean, k\u1ef9 thu\u1eadt n\u00e0y t\u1ea1o ra s\u1ef1 ph\u1ea3n quang l\u1edbn khi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 b\u1ec1 m\u1eb7t tr\u01a1n, nh\u1eb5n.<br \/>\nC\u00e1c ngu\u1ed3n s\u00e1ng s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng n\u00e0y l\u00e0:<\/p>\n<ul>\n<li>Ngu\u1ed3n s\u00e1ng v\u00f2ng (ring-lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng g\u00f3c (angle lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng v\u00f2ng g\u00f3c h\u1eb9p (low angle ring lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng thanh (bar lights)<\/li>\n<\/ul>\n<p><strong>Chi\u1ebfu s\u00e1ng gi\u00e1n ti\u1ebfp (Khu\u1ebfch t\u00e1n)<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-gian-tiep.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18879 size-medium\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-gian-tiep-300x244.jpg\" alt=\"chieu sang gian tiep\" width=\"300\" height=\"244\" \/><\/a><\/strong><br \/>\nPh\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ea1o ra \u00e1nh s\u00e1ng sau \u0111\u00f3 cho \u00e1nh s\u00e1ng n\u00e0y khuy\u1ebfch t\u00e1n qua m\u1ed9t t\u1ea5m ph\u1eb3ng ho\u1eb7c h\u00ecnh n\u00f3n \u0111\u1ec3ph\u00e2n ph\u1ed1i \u00e1nh s\u00e1ng \u0111\u1ed3ng \u0111\u1ec1u l\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n ki\u1ec3m tra.<br \/>\nK\u1ef9 thu\u1eadt n\u00e0y h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c s\u1ef1 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp. Do \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c v\u1eadt th\u1ec3 b\u00f3ng l\u00e1ng v\u00e0\/ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<br \/>\nC\u00e1c ngu\u1ed3n s\u00e1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho chi\u1ebfu s\u00e1ng gi\u00e1n ti\u1ebfp l\u00e0:<\/p>\n<ul>\n<li>Ngu\u1ed3n s\u00e1ng v\u00f2ng ( ring-lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng v\u00f2ng g\u00f3c h\u1eb9p ( low angle ring lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng d\u1ea1ng n\u00f3n (dome lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng chi\u1ebfu t\u1eeb ph\u00eda sau (back lights)<\/li>\n<li>Ngu\u1ed3n s\u00e1ng thanh (bar lights)<\/li>\n<\/ul>\n<p><strong>Chi\u1ebfu s\u00e1ng g\u00f3c v\u00e0 chi\u1ebfu s\u00e1ng g\u00f3c h\u1eb9p<\/strong><br \/>\n<a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-goc-hep.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-18880\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-goc-hep.jpg\" alt=\"chieu sang goc hep\" width=\"670\" height=\"232\" \/><\/a><br \/>\nK\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng g\u00f3c l\u00e0 k\u1ef9 thu\u1eadt t\u1ea1o n\u00ean \u00e1nh s\u00e1ng v\u1edbi m\u1ed9t g\u00f3c th\u00edch h\u1ee3p \u0111\u1ec3 ph\u1ea3n \u00e1nh nh\u1eefng chi ti\u1ebft c\u1ee7a m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng.<br \/>\nV\u00ec ch\u1ec9 c\u00f3 s\u1ef1 thay \u0111\u1ed5i nh\u1ecf nh\u1ea5t t\u1eeb b\u1ec1 m\u1eb7t ph\u1ea3n h\u1ed3i l\u1ea1i camera, ph\u1ea7n b\u1eb1ng ph\u1eb3ng c\u1ee7a b\u1ec1 m\u1eb7t xung quanh ch\u1ed7 thay \u0111\u1ed5i \u0111\u00f3 tr\u1edf n\u00ean t\u1ed1i \u0111i trong h\u00ecnh \u1ea3nh thu \u0111\u01b0\u1ee3c c\u1ee7a camera. \u0110\u00e2y l\u00e0 l\u00fd do m\u00e0 k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;V\u00f9ng t\u1ed1i&#8221;.<br \/>\nC\u00f3 2 lo\u1ea1i:<\/p>\n<ul>\n<li>Chi\u1ebfu s\u00e1ng g\u00f3c: \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi g\u00f3c chi\u1ebfu l\u1edbn (\u02dc45\u00b0)\u00a0v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i th\u00f4ng th\u01b0\u1eddng c\u1ee7a b\u1ec1 m\u1eb7t<\/li>\n<li>Chi\u1ebfu s\u00e1ng g\u00f3c h\u1eb9p: \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi g\u00f3c b\u00e9 (\u02dc15\u00b0)\u00a0v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3ph\u00e1t hi\u1ec7n nh\u1eefng s\u1ef1 thay \u0111\u1ed5i nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. N\u00f3 c\u0169ng t\u1ea1o ra \u201cv\u00f9ng t\u1ed1i\u201d l\u1edbn<\/li>\n<\/ul>\n<p><strong>Tia h\u1ed9i t\u1ee5<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18882 size-medium\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/tai-hoi-tu-300x185.jpg\" alt=\"tai hoi tu\" width=\"300\" height=\"185\" \/><\/strong><br \/>\nK\u1ef9 thu\u1eadt n\u00e0y cung c\u1ea5p \u00e1nh s\u00e1ng c\u01b0\u1eddng \u0111\u1ed9 cao b\u1eb1ng vi\u1ec7ch\u1ed9i t\u1ee5 \u00e1nh s\u00e1ng th\u00e0nh h\u00e0ng, s\u1eed d\u1ee5ng \u1ed1ng k\u00ednh h\u00ecnh tr\u1ee5. B\u1ea1n c\u00f3 th\u1ec3 quan s\u00e1t tr\u00ean h\u00ecnh v\u1ebd.<br \/>\nK\u1ef9 thu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u cho vi\u1ec7c ki\u1ec3m tra li\u00ean quan \u0111\u1ebfn c\u00e1c ph\u00e9p \u0111o \u0111\u1ecbnh t\u00ednh c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<br \/>\nC\u00e1c ngu\u1ed3n s\u00e1ng d\u00f9ng cho ph\u01b0\u01a1ng ph\u00e1p chi\u1ebfu s\u00e1ng h\u1ed9i t\u1ee5:<\/p>\n<ul>\n<li>Ngu\u1ed3n s\u00e1ng tia &#8211; Line lights<\/li>\n<\/ul>\n<p>&nbsp;<br \/>\n<strong>Chi\u1ebfu s\u00e1ng ng\u01b0ng t\u1ee5 (Condensing Lighting)<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18884 size-medium\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-ngung-tu-300x234.jpg\" alt=\"chieu sang ngung tu\" width=\"300\" height=\"234\" \/><\/strong><br \/>\nK\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng ng\u01b0ng t\u1ee5 l\u00e0 k\u1ef9 thu\u1eadt m\u00e0 \u00e1nh s\u00e1ng t\u1eadp trung v\u00e0o m\u1ed9t ch\u1ed7 h\u1eb9p tr\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng ki\u1ec3m tra.<br \/>\nNh\u1eefng lo\u1ea1i ngu\u1ed3n s\u00e1ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi \u1ed1ng k\u00ednh tele nh\u01b0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y tr\u00ean h\u00ecnh v\u1ebd.<br \/>\nNgu\u1ed3n s\u00e1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho chi\u1ebfu s\u00e1ng ng\u01b0ng t\u1ee5 l\u00e0:<\/p>\n<ul>\n<li>Ngu\u1ed3n s\u00e1ng \u0111i\u1ec3m &#8211; Spot lights<\/li>\n<\/ul>\n<p>&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n<strong>Chi\u1ebfu s\u00e1ng sau (Back Lighting)<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18885 size-medium\" src=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/chieu-sang-tu-phia-sau-300x253.jpg\" alt=\"chieu sang tu phia sau\" width=\"300\" height=\"253\" \/><\/strong><br \/>\nV\u1edbi k\u1ef9 thu\u1eadt n\u00e0y, \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c chi\u1ebfu t\u1eeb ph\u00eda sau \u0111\u1ed1i t\u01b0\u1ee3ng. Do \u0111\u00f3 \u1ea3nh c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c t\u1eeb camera \u0111\u01b0\u1ee3c xem nh\u01b0 b\u00f3ng \u0111en c\u1ee7a v\u1eadt \u0111\u00f3.<br \/>\nK\u1ef9 thu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu cho vi\u1ec7c \u0111o hay x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch v\u00e0 h\u01b0\u1edbng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<br \/>\nNgu\u1ed3n s\u00e1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng n\u00e0y l\u00e0:<\/p>\n<ul>\n<li>Chi\u1ebfu s\u00e1ng sau<\/li>\n<\/ul>\n<p>Quan s\u00e1t v\u00ed d\u1ee5 tr\u00ean h\u00ecnh v\u1ebd ta th\u1ea5y r\u1eb1ng ch\u1ec9 c\u00e1c ch\u00f9m s\u00e1ng kh\u00f4ng b\u1ecb ch\u1eb7n b\u1edfi \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi \u0111\u1ebfn \u0111\u01b0\u1ee3c camera.<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n<strong><a href=\"https:\/\/banbientan.com\/wp-content\/uploads\/2014\/12\/tai-hoi-tu.jpg\"><img decoding=\"async\" class=\"alignright wp-image-18882 \" src=\"&quot;&lt;\/p\" alt=\"\" \/> <\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp Trong s\u1ed1 c\u00e1c k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng, k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t l\u00e0 chi\u1ebfu s\u00e1ng tr\u1ef1c ti\u1ebfp.\u00c1nh s\u00e1ng \u0111\u01b0\u1ee3c chi\u1ebfu tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u1ed9t v\u1eadt \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u00f3ng t\u1ed1i kh\u00e1c nhau. Ph\u01b0\u01a1ng ph\u00e1p chi\u1ebfu s\u00e1ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho vi\u1ec7cnh\u1eadn bi\u1ebft c\u00e1c \u0111\u1ed1i [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":18878,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13167],"tags":[],"class_list":["post-18656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cam-bien-hinh-anh-p2"],"_links":{"self":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18656"}],"version-history":[{"count":0,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=\/wp\/v2\/posts\/18656\/revisions"}],"wp:attachment":[{"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hunglong.banbientan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}