{"id":6646,"date":"2013-06-26T07:00:25","date_gmt":"2013-06-26T11:00:25","guid":{"rendered":"http:\/\/www.tuannguyen.net\/blog\/?p=6646"},"modified":"2013-06-27T09:33:47","modified_gmt":"2013-06-27T13:33:47","slug":"mot-goc-nho-dc-5","status":"publish","type":"post","link":"https:\/\/www.tuannguyen.net\/blog\/2013\/06\/26\/mot-goc-nho-dc-5\/","title":{"rendered":"M\u1ed9t g\u00f3c nh\u1ecf DC (5)"},"content":{"rendered":"<p style=\"text-align: left\">D\u1ea1o n\u00e0y t\u00f4i m\u00ea m\u1ea5y c\u00e1i filter cho m\u00e1y ch\u1ee5p h\u00ecnh.\u00a0 Filter l\u00e0 nh\u1eefng mi\u1ebfng ki\u1ebfng \u0111\u1eb7t \u1edf ph\u00eda tr\u01b0\u1edbc \u1ed1ng k\u00ednh, \u0111\u1ec3 t\u1ea1o l\u00ean nh\u1eefng m\u00e0u s\u1eafc hay nh\u1eefng hi\u1ec7u \u1ee9ng khi ch\u1ee5p \u1ea3nh.\u00a0 C\u00f3 nhi\u1ec1u filter l\u00e0m cho t\u1ea5m \u1ea3nh s\u1ed1ng \u0111\u1ed9ng, ho\u1eb7c l\u00e0m cho t\u1ea5m \u1ea3nh c\u00f3 c\u1ea3m gi\u00e1c nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng.\u00a0 \u0110\u00e2y l\u00e0 1 th\u00ed d\u1ee5 gi\u1eefa 2 t\u1ea5m \u1ea3nh ch\u1ee5p g\u1ea7n th\u1eddi \u0111i\u1ec3m, c\u00e1ch nhau 5 ph\u00fat v\u00e0 s\u1eed d\u1ee5ng filter \u0111\u1ec3 t\u1ea3o l\u00ean &#8220;c\u1ea3m gi\u00e1c&#8221; gi\u1eefa \u00e1nh s\u00e1ng b\u00ecnh minh v\u00e0 m\u00e2y bay.<\/p>\n<p style=\"text-align: left\"><!--more--><\/p>\n<p style=\"text-align: left\">Gi\u1eefa 2 t\u1ea5m \u1ea3nh, tuy 1 g\u00f3c v\u00e0 1 m\u00e0u b\u00ecnh minh, nh\u01b0ng t\u1ea1o l\u00ean c\u1ea3m gi\u00e1c kh\u00e1c nhau.\u00a0 T\u00f4i s\u1eed d\u1ee5ng ND (neutral density) 10 stops filter l\u00e0m cho m\u1eb7t n\u01b0\u1edbc kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng v\u00e0 m\u00e2y bay l\u01b0a th\u01b0a, th\u00eam s\u1eafc m\u00e0u v\u00e0 cho th\u1eddi gian nh\u01b0 d\u1eebng l\u1ea1i.\u00a0 C\u1ea3 2 t\u1ea5m \u1ea3nh c\u00f3 c\u00e1i \u0111\u1eb9p ri\u00eang c\u1ee7a n\u00f3.<\/p>\n<p style=\"text-align: left\">Khi s\u1eed d\u1ee5ng ND 10 stops filter, t\u00f4i ph\u1ea3i m\u1edf shutter ra 4 ph\u00fat cho \u0111\u1ee7 \u00e1nh s\u00e1ng v\u00e0o.\u00a0 B\u1ed1n ph\u00fat tuy ng\u1eafn, nh\u01b0ng kh\u00f4ng bi\u1ebft sao l\u00fac \u0111\u1ee9ng \u0111\u00f3 ch\u1edd, 4 ph\u00fat tr\u1edf th\u00e0nh nh\u01b0 v\u00e0i ti\u1ebfng \u0111\u1ed3ng h\u1ed3.\u00a0 T\u1eeb ng\u00e0y c\u00f3 D600, t\u00f4i th\u1eed nhi\u1ec1u v\u00e0 ch\u1ee5p nhi\u1ec1u, m\u1ed7i l\u1ea7n ch\u1ee5p l\u00e0 m\u1ed7i l\u1ea7n h\u1ecdc h\u1ecfi th\u00eam.\u00a0 B\u00e2y gi\u1edd t\u00f4i m\u1edbi hi\u1ec3u t\u1ea1i sao nhi\u1ec1u h\u00ecnh ch\u1ee5p v\u1edbi m\u00e0u s\u1eafc \u0111\u1eb9p, th\u1eadt s\u1ef1 ch\u1ee5p h\u00ecnh kh\u00f4ng kh\u00f3, n\u1ebfu c\u00f3 th\u1eddi gian v\u00e0 ch\u1ee5p nhi\u1ec1u l\u00e0 ti\u1ebfn b\u1ed9 th\u00f4i.\u00a0 C\u00e1i quan tr\u1ecdng l\u00e0 composition c\u1ee7a t\u1ea5m \u1ea3nh, c\u00e1i g\u00f3c nh\u00ecn khi ch\u1ee5p.\u00a0 T\u1ea5m \u1ea3nh c\u00f3 &#8220;h\u1ed3n&#8221; hay kh\u00f4ng l\u00e0 do composition, g\u00f3c ch\u1ee5p, v\u00e0 c\u1ea3m x\u00fac c\u1ee7a ng\u01b0\u1eddi ch\u1ee5p tr\u01b0\u1edbc nh\u1eefng g\u00ec m\u00ecnh g\u1eb7p v\u00e0 th\u1ea5y.<\/p>\n<p style=\"text-align: left\">Gi\u1eefa 2 kho\u1ea3ng kh\u1eafc, \u0111\u1ec3 l\u1ea1i nhi\u1ec1u c\u1ea3m gi\u00e1c kh\u00e1c nhau cho 1 s\u00e1ng b\u00ecnh minh tr\u01b0\u1edbc Jefferson Memorial.<\/p>\n<figure id=\"attachment_6651\" aria-describedby=\"caption-attachment-6651\" style=\"width: 512px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-6651 \" alt=\"B\u00ecnh minh tr\u00ean h\u1ed3 Tidal Basin, Washington DC\" src=\"https:\/\/www.tuannguyen.net\/blog\/wp-content\/uploads\/2013\/06\/2013-jefferson-sunrise-1-cp--1024x724.jpg\" width=\"512\" height=\"362\" srcset=\"https:\/\/www.tuannguyen.net\/blog\/wp-content\/uploads\/2013\/06\/2013-jefferson-sunrise-1-cp--1024x724.jpg 1024w, https:\/\/www.tuannguyen.net\/blog\/wp-content\/uploads\/2013\/06\/2013-jefferson-sunrise-1-cp--300x212.jpg 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption id=\"caption-attachment-6651\" class=\"wp-caption-text\">B\u00ecnh minh tr\u00ean h\u1ed3 Tidal Basin, Washington DC<\/figcaption><\/figure>\n<figure id=\"attachment_6652\" aria-describedby=\"caption-attachment-6652\" style=\"width: 512px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-6652 \" alt=\"B\u00ecnh minh tr\u00ean h\u1ed3 Tidal Basin (ND 10 stops), Washington DC\" src=\"https:\/\/www.tuannguyen.net\/blog\/wp-content\/uploads\/2013\/06\/2013-jefferson-sunrise-cp-0937-1024x760.jpg\" width=\"512\" height=\"380\" srcset=\"https:\/\/www.tuannguyen.net\/blog\/wp-content\/uploads\/2013\/06\/2013-jefferson-sunrise-cp-0937-1024x760.jpg 1024w, https:\/\/www.tuannguyen.net\/blog\/wp-content\/uploads\/2013\/06\/2013-jefferson-sunrise-cp-0937-300x222.jpg 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><figcaption id=\"caption-attachment-6652\" class=\"wp-caption-text\">B\u00ecnh minh tr\u00ean h\u1ed3 Tidal Basin (ND 10 stops), Washington DC<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>D\u1ea1o n\u00e0y t\u00f4i m\u00ea m\u1ea5y c\u00e1i filter cho m\u00e1y ch\u1ee5p h\u00ecnh.\u00a0 Filter l\u00e0 nh\u1eefng mi\u1ebfng ki\u1ebfng \u0111\u1eb7t \u1edf ph\u00eda tr\u01b0\u1edbc \u1ed1ng k\u00ednh, \u0111\u1ec3 t\u1ea1o l\u00ean nh\u1eefng m\u00e0u s\u1eafc hay nh\u1eefng hi\u1ec7u \u1ee9ng khi ch\u1ee5p \u1ea3nh.\u00a0 C\u00f3 nhi\u1ec1u filter l\u00e0m cho t\u1ea5m \u1ea3nh s\u1ed1ng \u0111\u1ed9ng, ho\u1eb7c l\u00e0m cho t\u1ea5m \u1ea3nh c\u00f3 c\u1ea3m gi\u00e1c nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[272,60,62],"class_list":["post-6646","post","type-post","status-publish","format-standard","hentry","category-photography","tag-1-goc-nho-dc","tag-photography-2","tag-washington-dc"],"_links":{"self":[{"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/posts\/6646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/comments?post=6646"}],"version-history":[{"count":9,"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/posts\/6646\/revisions"}],"predecessor-version":[{"id":6658,"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/posts\/6646\/revisions\/6658"}],"wp:attachment":[{"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/media?parent=6646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/categories?post=6646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tuannguyen.net\/blog\/wp-json\/wp\/v2\/tags?post=6646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}