{"id":300193,"date":"2023-12-27T21:01:30","date_gmt":"2023-12-27T14:01:30","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=300193"},"modified":"2023-12-27T21:01:30","modified_gmt":"2023-12-27T14:01:30","slug":"bokeh","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/bokeh\/","title":{"rendered":"Ch\u1ee5p \u1ea3nh hi\u1ec7u \u1ee9ng Bokeh l\u00e0 g\u00ec? M\u00e1ch b\u1ea1n c\u00e1ch ch\u1ee5p \u0111\u01a1n gi\u1ea3n b\u1eb1ng m\u00e1y \u1ea3nh"},"content":{"rendered":"

Ch\u1eafc h\u1eb3n hi\u1ec7u \u1ee9ng <\/span>Bokeh<\/b> l\u00e0 k\u1ef9 thu\u1eadt ch\u1ee5p \u1ea3nh kh\u00f4ng c\u00f2n qu\u00e1 xa l\u1ea1 v\u1edbi c\u1ed9ng \u0111\u1ed3ng nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea b\u1ed9 m\u00f4n n\u00e0y. Hi\u1ec7u \u1ee9ng l\u1ea5p l\u00e1nh n\u00e0y \u0111em \u0111\u1ebfn s\u1eafc m\u00e0u huy\u1ec1n \u1ea3o cho m\u1ed7i b\u1ee9c \u1ea3nh t\u1ea1o ra, t\u1ea1o n\u00ean s\u1ef1 ngh\u1ec7 thu\u1eadt v\u00e0 b\u1eaft m\u1eaft. Do \u0111\u00f3 ng\u00e0y c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi \u01b0a th\u00edch phong c\u00e1ch ch\u1ee5p v\u1edbi hi\u1ec7u \u1ee9ng n\u00e0y. T\u1eebng chi\u00eam ng\u01b0\u1ee1ng nhi\u1ec1u b\u1ee9c \u1ea3nh \u0111\u1eb9p t\u1eeb m\u1ecdi ng\u01b0\u1eddi xung quanh, li\u1ec7u b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 v\u1ec1 k\u1ef9 thu\u1eadt ch\u1ee5p \u0111\u1eb7c bi\u1ec7t n\u00e0y? H\u00e3y c\u00f9ng <\/span>Ho\u00e0ng H\u00e0 Mobile<\/b> t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 c\u00e1ch ph\u1ed1i s\u00e1ng, m\u1eb9o ch\u1ee5p \u1ea3nh hi\u1ec7u \u1ee9ng n\u00e0y \u0111\u1ec3 t\u1ea1o ra nh\u1eefng b\u1ee9c h\u00ecnh lung linh nh\u1ea5t nh\u00e9!<\/span><\/p>\n

Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 hi\u1ec7u \u1ee9ng Bokeh trong ch\u1ee5p \u1ea3nh<\/b><\/h2>\n

\u0110\u1ec3 c\u00f3 m\u1ed9t b\u1ee9c h\u00ecnh \u0111\u1eb9p, ng\u01b0\u1eddi ch\u1ee5p \u1ea3nh c\u1ea7n bi\u1ebft k\u1ebft h\u1ee3p nhi\u1ec1u k\u1ef9 thu\u1eadt v\u00e0 hi\u1ec7u \u1ee9ng, quan s\u00e1t c\u00e1ch ph\u1ed1i s\u00e1ng v\u00e0 ch\u1ecdn b\u1ed1 c\u1ee5c. T\u1eeb \u0111\u00f3 t\u1ea1o ra nh\u1eefng phong c\u00e1ch kh\u00e1c nhau cho t\u1eebng t\u1ea5m h\u00ecnh. Trong s\u1ed1 \u0111\u00f3, hi\u1ec7u \u1ee9ng ph\u1ed1i s\u00e1ng v\u00e0 x\u00f3a ph\u00f4ng ngh\u1ec7 thu\u1eadt \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u t\u00edn \u0111\u1ed3 m\u00ea ch\u1ee5p \u1ea3nh y\u00eau th\u00edch. Hi\u1ec7u \u1ee9ng \u1ea3nh k\u1ef3 di\u1ec7u n\u00e0y s\u1ebd \u0111em \u0111\u1ebfn s\u1ef1 sinh \u0111\u1ed9ng cho b\u1ee9c h\u00ecnh, gi\u00fap t\u1ed5ng th\u1ec3 \u1ea3nh tr\u1edf n\u00ean lung linh v\u00e0 ngh\u1ec7 thu\u1eadt h\u01a1n.<\/span><\/p>\n

Ch\u1ee5p \u1ea3nh hi\u1ec7u \u1ee9ng Bokeh l\u00e0 g\u00ec?<\/b><\/h3>\n

Hi\u1ec7u \u1ee9ng Bokeh l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef ph\u1ed5 bi\u1ebfn trong nhi\u1ebfp \u1ea3nh, l\u00e0 m\u1ed9t trong nh\u1eefng phong c\u00e1ch ch\u1ee5p \u1ea3nh x\u00f3a ph\u00f4ng, k\u1ebft h\u1ee3p v\u1edbi k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng s\u00e1ng t\u1ed1i \u0111\u1ec3 l\u00e0m n\u1ed5i b\u1eadt ch\u1ee7 th\u1ec3 ch\u00ednh trong \u1ea3nh. K\u1ef9 thu\u1eadt n\u00e0y y\u00eau c\u1ea7u ng\u01b0\u1eddi ch\u1ee5p ph\u1ea3i bi\u1ebft t\u1eadn d\u1ee5ng ngu\u1ed3n s\u00e1ng t\u1eeb nh\u1eefng \u00e1nh \u0111\u00e8n trang tr\u00ed ho\u1eb7c \u00e1nh \u0111\u00e8n t\u1eeb xa \u0111\u1ec3 t\u1ea1o n\u00ean s\u1ef1 l\u1ea5p l\u00e1nh v\u00e0 huy\u1ec1n \u1ea3o cho khung h\u00ecnh. C\u00e1c d\u1ea3i s\u00e1ng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p h\u00e0i h\u00f2a, l\u00e0m n\u1ec1n cho ch\u1ee7 th\u1ec3 \u1ea3nh, v\u1eeba t\u1ea1o n\u00e9t cho ph\u1ea7n trung t\u00e2m, v\u1eeba l\u00e0m n\u00ean t\u00ednh ngh\u1ec7 thu\u1eadt cho b\u1ee9c h\u00ecnh.<\/span><\/p>\n

\"bokeh-1\"<\/picture><\/p>\n

T\u1eeb \u201cbokeh\u201d xu\u1ea5t ph\u00e1t t\u1eeb ti\u1ebfng Nh\u1eadt, c\u00f3 ngh\u0129a l\u00e0 v\u00f9ng m\u1edd nh\u1ea1t. Trong k\u1ef9 thu\u1eadt nhi\u1ebfp \u1ea3nh, hi\u1ec7u \u1ee9ng n\u00e0y \u00e1m ch\u1ec9 c\u00e1c v\u00f9ng x\u00f3a ph\u00f4ng n\u1eb1m ph\u00eda sau ch\u1ee7 th\u1ec3 ch\u00ednh \u0111\u01b0\u1ee3c l\u1ea5y n\u00e9t. Tuy nhi\u00ean, \u0111\u00e2y kh\u00f4ng ph\u1ea3i k\u1ef9 thu\u1eadt l\u00e0m m\u1edd th\u00f4ng th\u01b0\u1eddng m\u00e0 l\u00e0 s\u1ef1 s\u1eafp \u0111\u1eb7t c\u00f3 ch\u1ee7 \u00fd. C\u00e1c kho\u1ea3ng kh\u00f4ng gian m\u1edd nh\u1ea1t \u1edf ph\u1ea7n ph\u00f4ng n\u1ec1n \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p h\u00e0i h\u00f2a gi\u1eefa c\u00e1c \u0111i\u1ec3m s\u00e1ng, cho c\u00e1c m\u1ea3ng ph\u1ed1i m\u00e0u b\u1eaft m\u1eaft h\u01a1n, t\u1ea1o h\u00ecnh \u1ea3nh \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1eb9p m\u1eaft.<\/span><\/p>\n

N\u1ebfu ch\u1ec9 nh\u1eafc v\u1ec1 kh\u00e1i ni\u1ec7m tr\u00ean l\u00fd thuy\u1ebft, ng\u01b0\u1eddi ch\u1ee5p c\u00f3 th\u1ec3 th\u1ea5y k\u1ef9 thu\u1eadt n\u00e0y kh\u00e1 d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 th\u1ef1c hi\u1ec7n. Nh\u01b0ng \u0111\u00e2y th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt kh\u00f4ng h\u1ec1 \u0111\u01a1n gi\u1ea3n, \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i ch\u1ecdn \u0111\u01b0\u1ee3c g\u00f3c \u0111\u1ed9 ph\u00f9 h\u1ee3p, \u0111\u1eb7t \u0111i\u1ec3m focus \u0111\u00fang ch\u1ed7 v\u00e0 nh\u00e1y m\u00e1y \u0111\u00fang th\u1eddi \u0111i\u1ec3m \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t khung h\u00ecnh ho\u00e0n h\u1ea3o nh\u1ea5t. Ch\u1ee5p hi\u1ec7u \u1ee9ng n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i bi\u1ebft c\u00e1ch v\u00e0 c\u00e1c m\u1eb9o c\u01a1 b\u1ea3n s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebft l\u1ed9 trong ph\u1ea7n d\u01b0\u1edbi c\u1ee7a b\u00e0i vi\u1ebft.<\/span><\/p>\n

Nh\u01b0 th\u1ebf n\u00e0o l\u00e0 b\u1ee9c \u1ea3nh ch\u1ee5p Bokeh ch\u1ea5t l\u01b0\u1ee3ng?<\/b><\/h3>\n

Ch\u1ee5p \u1ea3nh theo hi\u1ec7u \u1ee9ng m\u1edd ph\u00f4ng \u0111\u1eb7c bi\u1ec7t n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh 2 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t l\u00e0 ch\u1ee7 th\u1ec3 h\u00ecnh \u1ea3nh (ph\u1ea7n l\u1ea5y n\u00e9t) v\u00e0 ph\u00f4ng n\u1ec1n ph\u00eda sau (v\u00f9ng l\u00e0m m\u1edd). M\u1ed9t b\u1ee9c \u1ea3nh t\u1ed1t ph\u1ea3i k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c c\u1ea3 2 v\u00f9ng \u0111\u00f3 m\u1ed9t c\u00e1ch h\u00e0i h\u00f2a, thu\u1eadt m\u1eaft m\u00e0 kh\u00f4ng b\u1ecb r\u1ed1i r\u1eafm v\u1ec1 b\u1ed1 c\u1ee5c hay m\u00e0u s\u1eafc. V\u00ec Bokeh n\u1ed5i b\u1eadt v\u1edbi c\u00e1c v\u00f9ng s\u00e1ng huy\u1ec1n \u1ea3o nh\u1edd \u00e1nh \u0111\u00e8n trang tr\u00ed, l\u00e0m n\u1ed5i b\u1eadt l\u00ean con ng\u01b0\u1eddi, s\u1ef1 v\u1eadt ch\u00ednh, n\u00ean c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ed9t b\u1ee9c h\u00ecnh t\u1ed1t theo c\u00e1c ti\u00eau ch\u00ed sau:<\/span><\/p>\n

\"bokeh-2\"<\/picture><\/p>\n

\u0110\u1ea7u ti\u00ean, ch\u1ee7 th\u1ec3 h\u00ecnh \u1ea3nh ph\u1ea3i \u0111\u01b0\u1ee3c focus \u0111\u00fang \u0111i\u1ec3m, t\u1ea1o s\u1ef1 s\u1eafc n\u00e9t v\u00e0 n\u1ed5i b\u1eadt. Ch\u1ee7 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo b\u1ed1 c\u1ee5c v\u00e0 t\u1ef7 l\u1ec7 h\u1ee3p l\u00fd (th\u01b0\u1eddng \u1edf trung t\u00e2m ho\u1eb7c theo c\u00e1ch ph\u1ed1i c\u1ea3nh 3×3 c\u01a1 b\u1ea3n). \u0110\u1ec3 tr\u1edf n\u00ean n\u1ed5i b\u1eadt v\u00e0 tr\u00e1nh tr\u01b0\u1eddng b\u1ecb ch\u00ecm v\u00e0o n\u1ec1n ho\u1eb7c c\u00e1c v\u00f9ng s\u00e1ng, ng\u01b0\u1eddi ch\u1ee5p n\u00ean ch\u1ecdn m\u1ed9t g\u00f3c \u0111\u1ed9 t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u1ea1o s\u1ef1 ph\u1ea3n chi\u1ebfu h\u00e0i h\u00f2a, l\u00e0m s\u00e1ng cho ch\u1ee7 th\u1ec3.<\/span><\/p>\n

Ti\u1ebfp theo, ph\u1ea7n ph\u00f4ng n\u1ec1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o s\u1ef1 h\u00e0i h\u00f2a gi\u1eefa c\u00e1c \u00e1nh \u0111\u00e8n. \u00c1nh s\u00e1ng trong \u1ea3nh Bokeh kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 d\u00e0y \u0111\u1eb7c, c\u0169ng kh\u00f4ng n\u00ean th\u01b0a th\u1edbt. H\u00e3y c\u00e2n nh\u1eafc ph\u1ed1i h\u1ee3p c\u00e1c m\u00e0u \u00e1nh s\u00e1ng l\u00e0m sao \u0111\u1ec3 b\u1ee9c h\u00ecnh kh\u00f4ng b\u1ecb r\u1ed1i m\u1eaft. V\u00f9ng m\u1edd nh\u1ea1t c\u0169ng c\u1ea7n t\u1ea1o \u0111\u01b0\u1ee3c c\u00e1c n\u00e9t m\u1ec1m m\u1ea1i, c\u00e1c b\u00f3ng m\u1edd \u00e1nh s\u00e1ng m\u1ecbn m\u00e0ng, kh\u00f4ng t\u1ea1o n\u00ean c\u00e1c g\u00f3c c\u1ee9ng.<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng, m\u1ed9t b\u1ee9c h\u00ecnh \u0111\u1eb9p ph\u1ea3i c\u00f3 s\u1ef1 h\u1ee3p nh\u1ea5t gi\u1eefa ch\u1ee7 th\u1ec3 v\u00e0 \u00e1nh s\u00e1ng ph\u00f4ng n\u1ec1n. \u00c1nh s\u00e1ng m\u1edd v\u00e0 n\u1ec1n ph\u1ea3i t\u1ea1o \u0111\u01b0\u1ee3c s\u1ef1 t\u1eadp trung v\u00e0o ch\u1ee7 th\u1ec3 h\u00ecnh \u1ea3nh, khi\u1ebfn ch\u1ee7 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed5i b\u1eadt, lung linh h\u01a1n.<\/span><\/p>\n

C\u00e1c m\u1eb9o ch\u1ee5p \u1ea3nh Bokeh si\u00eau \u0111\u1eb9p b\u1eb1ng m\u00e1y \u1ea3nh<\/b><\/h2>\n

\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t b\u1ee9c h\u00ecnh ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau ch\u00ed tr\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n n\u1eafm v\u1eefng c\u00e1c m\u1eb9o \u201cc\u1ea7m m\u00e1y\u201d v\u00e0 c\u0103n g\u00f3c. Ch\u1ee5p \u1ea3nh x\u00f3a ph\u00f4ng v\u00e0 k\u1ebft h\u1ee3p \u00e1nh \u0111\u00e8n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb, t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn m\u00e1y \u1ea3nh chuy\u00ean d\u1ee5ng. Nh\u01b0ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh ngh\u1ec7 nh\u1ea5t, ng\u01b0\u1eddi d\u00f9ng n\u00ean s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh (\u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e1y c\u01a1) \u0111\u1ec3 b\u1eaft tr\u1ecdn nh\u1eefng kho\u1ea3nh kh\u1eafc v\u00e0 k\u1ebft h\u1ee3p hi\u1ec7u \u1ee9ng Bokeh \u0111\u1eb7c bi\u1ec7t n\u00e0y. Sau \u0111\u00e2y l\u00e0 c\u00e1c m\u1eb9o h\u1eefu \u00edch \u0111\u1ec3 b\u1ea1n ch\u1ee5p \u1ea3nh hi\u1ec7u \u1ee9ng \u0111\u1eb9p h\u01a1n khi d\u00f9ng m\u00e1y \u1ea3nh.<\/span><\/p>\n

Thay \u0111\u1ed5i kh\u1ea9u \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi \u1ed1ng k\u00ednh<\/b><\/h3>\n

Hi\u1ec7u \u1ee9ng Bokeh \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh ch\u00ednh b\u1edfi \u1ed1ng k\u00ednh v\u00e0 h\u1ec7 quang h\u1ecdc c\u1ee7a m\u00e1y \u1ea3nh. V\u00ec v\u1eady, \u0111\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c \u00e1nh s\u00e1ng t\u1ed1t h\u01a1n v\u00e0 t\u1ed1i \u01b0u c\u00e1c v\u00f9ng s\u00e1ng cho ph\u1ea7n l\u00e0m m\u1edd, ng\u01b0\u1eddi ch\u1ee5p n\u00ean \u0111i\u1ec1u ch\u1ec9nh kh\u1ea9u \u0111\u1ed9 c\u1ee7a \u1ed1ng k\u00ednh. Gi\u1ea3m \u0111i\u1ec3m d\u1eebng c\u1ee7a kh\u1ea9u \u0111\u1ed9 s\u1ebd gi\u00fap \u1ed1ng k\u00ednh t\u1eadp trung h\u01a1n v\u00e0o v\u1eadt th\u1ec3, gi\u1ea3m \u0111\u1ed9 s\u00e2u c\u1ee7a tr\u01b0\u1eddng \u1ea3nh v\u00e0 t\u1eadp h\u01a1n h\u01a1n v\u00e0o ch\u1ee7 th\u1ec3 c\u1ea7n l\u1ea5y n\u00e9t, t\u1eeb \u0111\u00f3 l\u00e0m m\u1edd v\u00f9ng ph\u00eda sau.<\/span><\/p>\n

\"bokeh-3\"<\/picture><\/p>\n

L\u1eddi khuy\u00ean d\u00e0nh cho b\u1ea1n l\u00e0 n\u00ean \u0111i\u1ec1u ch\u1ec9nh kh\u1ea9u \u0111\u1ed9 \u1ed1ng k\u00ednh xu\u1ed1ng d\u01b0\u1edbi f\/2, \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ee9c ch\u00e2n dung th\u00ec kh\u1ea9u \u0111\u1ed9 t\u1ed1t nh\u1ea5t l\u00e0 f\/1.2 ho\u1eb7c f\/1.4. B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n c\u0169ng c\u1ea7n thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t m\u00e1y \u1ea3nh sang Ch\u1ebf \u0111\u1ed9 A – ch\u1ebf \u0111\u1ed9 \u01b0u ti\u00ean kh\u1ea9u \u0111\u1ed9 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ee9c h\u00ecnh Bokeh \u01b0ng \u00fd nh\u1ea5t.<\/span><\/p>\n

Thu h\u1eb9p kho\u1ea3ng c\u00e1ch v\u1edbi ch\u1ee7 th\u1ec3 h\u00ecnh \u1ea3nh<\/b><\/h3>\n

M\u00e1y \u1ea3nh s\u1ebd t\u1ef1 \u0111\u1ed9ng focus v\u00e0o c\u00e1c v\u1eadt \u1edf g\u1ea7n v\u00e0 l\u00e0m m\u1edd ph\u1ea7n ph\u00eda sau \u0111\u1ec3 t\u1ea1o n\u00e9t cho ch\u1ee7 th\u1ec3 ch\u00ednh. V\u00ec v\u1eady, hi\u1ec7u \u1ee9ng Bokeh s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n n\u1ebfu ng\u01b0\u1eddi ch\u1ee5p thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa \u1ed1ng k\u00ednh v\u00e0 ch\u1ee7 th\u1ec3. Khi n\u00e0y, background s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m m\u1edd, c\u00e1c \u0111i\u1ec3m \u1ea3nh t\u1eadp trung v\u00e0o \u0111\u1ed1i t\u01b0\u1ee3ng ch\u00ednh, t\u1ea1o n\u00ean c\u00e1c m\u1ea3ng s\u00e1ng m\u1edd nh\u1ea1t \u1edf ph\u00eda s\u00e1ng, ph\u1ed1i h\u1ee3p h\u00e0i h\u00f2a v\u00e0 r\u1ea5t ngh\u1ec7 thu\u1eadt.<\/span><\/p>\n

\"bokeh-4\"<\/picture><\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng n\u00e0y c\u1ee7a m\u00e1y \u1ea3nh gi\u1ed1ng v\u1edbi m\u1eaft ng\u01b0\u1eddi, \u01b0u ti\u00ean l\u00e0m r\u00f5 c\u00e1c v\u1eadt \u1edf g\u1ea7n. Tuy nhi\u00ean, kho\u1ea3ng c\u00e1ch c\u0169ng c\u1ea7n h\u1ee3p l\u00fd \u0111\u1ec3 c\u0103n ch\u1ec9nh \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 ch\u1ee7 th\u1ec3 trong b\u1ed1 c\u1ee5c to\u00e0n khung h\u00ecnh, tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p h\u00ecnh qu\u00e1 kh\u1ed5, ch\u1eafn m\u1ea5y ph\u00f4ng n\u1ec1n ho\u1eb7c b\u1ecb out n\u00e9t n\u1ebfu \u1edf qu\u00e1 g\u1ea7n \u1ed1ng k\u00ednh.<\/span><\/p>\n

T\u00ecm ki\u1ebfm c\u00e1c ngu\u1ed3n \u00e1nh s\u00e1ng ph\u00f9 h\u1ee3p<\/b><\/h3>\n

M\u1ed9t y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u \u1ee9ng Bokeh ch\u00ednh l\u00e0 c\u00e1c m\u1ea3ng s\u00e1ng m\u1edd nh\u1ea1t, t\u1ea1o s\u1ef1 sinh \u0111\u1ed9ng cho ph\u1ea7n background b\u1ecb l\u00e0m m\u1edd. Ng\u01b0\u1eddi ch\u1ee5p h\u00ecnh c\u1ea7n l\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m c\u00f3 nhi\u1ec1u \u00e1nh s\u00e1ng, c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c \u00e1nh \u0111\u00e8n trang tr\u00ed, \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n \u0111\u01b0\u1eddng ho\u1eb7c t\u1ea1o ra kh\u00f4ng gian \u00e1nh s\u00e1ng nh\u1edd h\u1ec7 th\u1ed1ng \u0111\u00e8n LED\u2026 \u00c1nh s\u00e1ng ph\u1ea3n chi\u1ebfu trong ph\u1ea7n background s\u1ebd t\u1ea1o n\u00ean hi\u1ec7u \u1ee9ng huy\u1ec1n \u1ea3o v\u00e0 lung linh cho b\u1ee9c h\u00ecnh, gi\u00fap ch\u1ee7 th\u1ec3 ch\u00ednh tr\u1edf n\u00ean n\u1ed5i b\u1eadt h\u01a1n.<\/span><\/p>\n

\"bokeh-5\"<\/picture><\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, ng\u01b0\u1eddi ch\u1ee5p c\u0169ng c\u1ea7n x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ea3ng m\u00e0u ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o ra d\u1ea3i s\u00e1ng h\u00e0i h\u00f2a nh\u1ea5t. N\u1ebfu qu\u00e1 nhi\u1ec1u m\u00e0u s\u1ebd khi\u1ebfn b\u1ee9c \u1ea3nh b\u1ecb r\u1ed1i m\u1eaft, s\u1eb7c s\u1ee1, khi\u1ebfn ch\u1ee7 th\u1ec3 b\u1ecb ch\u00ecm. N\u1ebfu qu\u00e1 \u00edt m\u00e0u s\u1ebd khi\u1ebfn b\u1ee9c \u1ea3nh b\u1ecb \u0111\u01a1n \u0111i\u1ec7u, m\u1ea5t \u0111i v\u1ebb \u0111\u1eb9p v\u1ed1n c\u00f3 c\u1ee7a hi\u1ec7u \u1ee9ng \u0111\u1eb7c bi\u1ec7t n\u00e0y.<\/span><\/p>\n

T\u1eadn d\u1ee5ng c\u1ea3 ph\u1ea7n ti\u1ec1n c\u1ea3nh \u0111\u1ec3 ph\u1ea3n chi\u1ebfu v\u00e0 t\u1ea1o Bokeh<\/b><\/h3>\n

M\u1ed9t thi\u1ebft s\u00f3t m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi m\u1eafc ph\u1ea3i khi ch\u1ee5p \u1ea3nh l\u00e0 ch\u1ec9 ch\u00fa \u00fd v\u00e0o ph\u1ea7n ph\u00f4ng n\u1ec1n ho\u1eb7c ch\u1ee7 th\u1ec3 ch\u00ednh m\u00e0 qu\u00ean \u0111i r\u1eb1ng ti\u1ec1n c\u1ea3nh c\u0169ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Ph\u1ea7n ti\u1ec1n c\u1ea3nh c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n chi\u1ebfu c\u00e1c d\u1ea3i s\u00e1ng, t\u1ea1o n\u00ean hi\u1ec7u \u1ee9ng lung linh r\u1ea5t ri\u00eang gi\u1ed1ng v\u1edbi ph\u1ea7n h\u1eadu c\u1ea3nh. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, ng\u01b0\u1eddi c\u1ea7m m\u00e1y c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ti\u00eau \u0111i\u1ec3m \u1edf gi\u1eefa, l\u00e0m m\u1edd c\u00e1c v\u00f9ng tr\u01b0\u1edbc v\u00e0 sau \u0111\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u1ee9c \u1ea3nh h\u01b0\u1edfng t\u1eeb c\u1ea3 h\u1eadu c\u1ea3nh v\u00e0 ti\u1ec1n c\u1ea3nh.<\/span><\/p>\n

\"bokeh-6\"<\/picture><\/span><\/p>\n

B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt th\u1ec3 \u1edf ti\u1ec1n c\u1ea3nh \u0111\u1ec3 t\u1ea1o hi\u1ec7u \u1ee9ng Bokeh, \u0111i\u1ec3n h\u00ecnh nh\u01b0 c\u00e1c v\u1ec7t s\u00e1ng \u00e1nh l\u00ean c\u1eeda s\u1ed5. T\u1ed1i \u01b0u h\u00f3a c\u1ea3 ti\u1ec1n c\u1ea3nh s\u1ebd gi\u00fap kh\u00f4ng gian \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y h\u01a1n, kh\u1eafc ph\u1ee5c c\u00e1c t\u00ecnh tr\u1ea1ng tr\u1ed1ng b\u1ed1 c\u1ee5c. Tuy nhi\u00ean, b\u1ea1n c\u0169ng s\u1ebd d\u1ec5 d\u00e0ng g\u1eb7p ph\u1ea3i c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n x\u1ea1 kh\u00f4ng mong mu\u1ed1n, khi\u1ebfn to\u00e0n b\u1ed9 b\u1ee9c h\u00ecnh b\u1ecb r\u1ed1i r\u1eafm.<\/span><\/p>\n

T\u1ea1o kho\u1ea3ng c\u00e1ch ph\u00f9 h\u1ee3p gi\u1eefa ch\u1ee7 th\u1ec3 v\u00e0 background<\/b><\/h3>\n

D\u00f9 m\u00e1y \u1ea3nh c\u00f3 th\u1ec3 l\u1ea5y n\u00e9t v\u00e0 focus v\u00e0o ch\u1ee7 th\u1ec3 ch\u00ednh c\u1ee7a khung h\u00ecnh, nh\u01b0ng m\u1ed9t h\u1eadu c\u1ea3nh l\u1ed9n x\u1ed9n c\u0169ng khi\u1ebfn hi\u1ec7u \u1ee9ng Bokeh b\u1ecb gi\u1ea3m hi\u1ec7u qu\u1ea3 r\u00f5 r\u1ec7t. Ngo\u00e0i vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t ph\u00f4ng n\u1ec1n v\u1edbi c\u00e1c d\u1ea3i s\u00e1ng ph\u00f9 h\u1ee3p, ng\u01b0\u1eddi ch\u1ee5p c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec3m y\u1ebfu c\u1ee7a h\u1eadu c\u1ea3nh b\u1eb1ng c\u00e1ch d\u00e3n kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u1ee7 th\u1ec3 v\u00e0 ph\u1ea7n ph\u00eda sau. Khi n\u00e0y, ph\u1ea7n l\u00e0m n\u1ec1n s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m m\u1edd h\u01a1n, h\u1ea1n ch\u1ebf c\u00e1c t\u00e1c \u0111\u1ed9ng t\u1eeb c\u00e1c v\u1eadt th\u1ec3 kh\u00f4ng li\u00ean quan, g\u00e2y nhi\u1ec5u h\u00ecnh. C\u00e1c b\u00f3ng s\u00e1ng c\u0169ng \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p h\u00e0i h\u00f2a, gi\u1ea3m thi\u1ec3u \u0111\u1ed9 ch\u00f3i l\u00f3a kh\u00f4ng t\u1ed1t t\u1edbi ch\u1ee7 th\u1ec3 ch\u00ednh.<\/span><\/p>\n

\"bokeh-7\"<\/picture><\/p>\n

Kho\u1ea3ng c\u00e1ch v\u1edbi h\u1eadu c\u1ea3nh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 hi\u1ec7u \u1ee9ng \u00e1nh s\u00e1ng tr\u1edf n\u00ean t\u1ed1t nh\u1ea5t. \u0110\u1eb7c bi\u1ec7t trong c\u00e1c b\u1ee9c \u1ea3nh ch\u00e2n dung, ng\u01b0\u1eddi ch\u1ee5p c\u00e0ng ph\u1ea3i ch\u00fa \u00fd v\u1ec1 kho\u1ea3ng c\u00e1ch n\u00e0y \u0111\u1ec3 \u1ed1ng k\u00ednh m\u00e1y \u1ea3nh focus t\u1ed1t nh\u1ea5t v\u00e0o ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ch\u1ee5p, gi\u1ea3m \u0111\u1ed9 nhi\u1ec5u c\u1ee7a ph\u1ea7n background.<\/span><\/p>\n

L\u1ef1a ch\u1ecdn c\u00e1c \u1ed1ng k\u00ednh ti\u00eau c\u1ef1 d\u00e0i \u0111\u1ec3 ch\u1ee5p h\u00ecnh<\/b><\/h3>\n

Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch gi\u1eefa m\u00e1y \u1ea3nh v\u00e0 ch\u1ee7 th\u1ec3 ch\u00ednh khi ch\u1ee5p \u1ea3nh Bokeh, \u0111\u1ed9 s\u00e2u c\u1ee7a tr\u01b0\u1eddng \u1ea3nh v\u1eabn c\u00f3 th\u1ec3 thay \u0111\u1ed5i nh\u1edd vi\u1ec7c t\u0103ng ti\u00eau c\u1ef1 cho \u1ed1ng k\u00ednh. Ti\u00eau c\u1ef1 c\u1ee7a \u1ed1ng k\u00ednh s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng zoom c\u1eadn c\u1ee7a m\u00e1y, gi\u00fap m\u00e1y nh\u1eadn di\u1ec7n t\u1ed1t h\u01a1n ch\u1ee7 th\u1ec3, t\u1eeb \u0111\u00f3 l\u1ea5y n\u00e9t v\u00e0 l\u00e0m m\u1edd ch\u00ednh x\u00e1c h\u01a1n. N\u1ebfu m\u00e1y \u1ea3nh c\u1ee7a b\u1ea1n l\u00e0 \u1ed1ng k\u00ednh c\u1ed1 \u0111\u1ecbnh, b\u1ea1n n\u00ean l\u1ef1a ch\u1ecdn d\u00f2ng m\u00e1y c\u00f3 \u1ed1ng k\u00ednh ti\u00eau c\u1ef1 d\u00e0i \u0111\u1ec3 c\u00e1c b\u1ee9c h\u00ecnh b\u1eaft s\u00e1ng t\u1ed1t h\u01a1n, t\u1ea1o s\u1ef1 m\u1ec1m m\u1ea1i, lung linh m\u00e0 kh\u00f4ng m\u1ea5t \u0111i n\u00e9t ch\u00e2n th\u1ef1c c\u1ee7a h\u00ecnh \u1ea3nh.<\/span><\/p>\n

\"bokeh-8\"<\/picture><\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, l\u00e1 kh\u1ea9u c\u1ee7a \u1ed1ng k\u00ednh c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t v\u00ec ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c b\u00f3ng s\u00e1ng m\u1edd c\u1ee7a h\u1eadu c\u1ea3nh. \u0110\u1ec3 t\u1ea1o \u0111\u01b0\u1ee3c c\u00e1c v\u00f9ng tr\u00f2n m\u1edd t\u1ed1t h\u01a1n, m\u1ed9t \u1ed1ng k\u00ednh l\u00fd t\u01b0\u1edfng c\u1ea7n c\u00f3 kho\u1ea3ng 9 l\u00e1 kh\u1ea9u \u0111\u1ec3 ngu\u1ed3n s\u00e1ng \u0111\u01b0\u1ee3c ti\u1ebfp nh\u1eadn m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean nh\u1ea5t.<\/span><\/p>\n

H\u01b0\u1edbng d\u1eabn 4 b\u01b0\u1edbc ch\u1ee5p Bokeh \u0111\u01a1n gi\u1ea3n b\u1eb1ng m\u00e1y \u1ea3nh<\/b><\/h2>\n

Nh\u01b0 v\u1eady, b\u1ea1n \u0111\u00e3 bi\u1ebft th\u00eam c\u00e1c m\u1eb9o h\u1eefu \u00edch khi s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh \u0111\u1ec3 ch\u1ee5p \u1ea3nh hi\u1ec7u \u1ee9ng x\u00f3a ph\u00f4ng v\u00e0 ph\u1ed1i h\u1ee3p \u00e1nh s\u00e1ng m\u1edd. Sau \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ee5p chi ti\u1ebft khi s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh. Ch\u1ec9 v\u1edbi 4 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n, k\u1ebft h\u1ee3p c\u00f9ng k\u1ef9 n\u0103ng v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt nho nh\u1ecf, c\u1ed9ng \u0111\u1ed3ng \u0111am m\u00ea nhi\u1ebfp \u1ea3nh s\u1ebd c\u00f3 trong tay m\u1ed9t b\u1ee9c h\u00ecnh Bokeh ho\u00e0n h\u1ea3o nh\u1ea5t.<\/span><\/p>\n

\"bokeh-9\"<\/picture><\/p>\n

B\u01b0\u1edbc 1: <\/b>T\u00ecm ki\u1ebfm c\u00e1c ngu\u1ed3n s\u00e1ng l\u1ea5p l\u00e1nh. V\u00ed d\u1ee5 nh\u01b0 ph\u1ea3n chi\u1ebfu \u00e1nh \u0111\u00e8n tr\u00ean m\u1eb7t s\u00f4ng, m\u1eb7t c\u1eeda k\u00ednh ho\u1eb7c t\u1eadn d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u00f4 th\u1ecb, \u00e1nh \u0111\u00e8n \u0111\u01b0\u1eddng, \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n LED trang tr\u00ed v\u1edbi \u0111a d\u1ea1ng s\u1eafc m\u00e0u.<\/span><\/p>\n

B\u01b0\u1edbc 2: <\/b>\u0110i\u1ec1u ch\u1ec9nh kh\u1ea9u \u0111\u1ed9 f cho \u1ed1ng k\u00ednh. \u0110\u1ed9 f s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng l\u1ea5y n\u00e9t v\u00e0 l\u00e0m m\u1edd c\u1ee7a \u1ed1ng k\u00ednh, \u0111\u1ed3ng th\u1eddi h\u00ecnh d\u1ea1ng v\u00f2ng bokeh c\u0169ng s\u1ebd thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o kh\u1ea9u \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh.<\/span><\/p>\n

B\u01b0\u1edbc 3:<\/b> S\u1eed d\u1ee5ng ti\u00eau c\u1ef1 d\u00e0i nh\u1ea5t c\u00f3 th\u1ec3. Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, \u0111\u1ed9 d\u00e0i ti\u00eau c\u1ef1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c b\u00f3ng s\u00e1ng \u1edf ph\u1ea7n h\u1eadu c\u1ea3nh. L\u1eddi khuy\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a ra l\u00e0 h\u00e3y \u00e1p d\u1ee5ng ti\u00eau c\u1ef1 \u00edt nh\u1ea5t 70mm cho m\u00e1y full-frame v\u00e0 50mm trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n d\u00f9ng m\u00e1y \u1ea3nh APS-C.<\/span><\/p>\n

B\u01b0\u1edbc 4: <\/b>Thu h\u1eb9p kho\u1ea3ng c\u00e1ch v\u1edbi ch\u1ee7 th\u1ec3 ch\u00ednh c\u1ee7a h\u00ecnh \u1ea3nh, c\u0103n g\u00f3c v\u00e0 t\u1ef7 l\u1ec7. Sau \u0111\u00f3 ch\u1ee5p h\u00ecnh.<\/span><\/p>\n

T\u1ea1m k\u1ebft<\/b><\/h2>\n

Hi\u1ec7u \u1ee9ng Bokeh<\/b> l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt ch\u1ee5p \u1ea3nh kh\u00e1 ngh\u1ec7 thu\u1eadt, gi\u00fap b\u1ea1n s\u1edf h\u1eefu nh\u1eefng t\u1ea5m h\u00ecnh ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t nh\u1edd v\u00e0o \u00e1nh s\u00e1ng h\u00e0i h\u00f2a, s\u1ef1 lung linh v\u00e0 ch\u00e2n th\u1ef1c. Trong \u0111\u00f3, ch\u1ee7 th\u1ec3 h\u00ecnh \u1ea3nh v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 s\u1eafc n\u00e9t v\u00e0 n\u1ed5i b\u1eadt, \u0111i k\u00e8m l\u00e0 ph\u1ea7n h\u1eadu c\u1ea3nh \u0111\u01b0\u1ee3c ph\u1ed1i s\u00e1ng t\u00e0i t\u00ecnh. Kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean m\u00e0 hi\u1ec7u \u1ee9ng n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00f4ng \u0111\u1ea3o ng\u01b0\u1eddi \u0111am m\u00ea ch\u1ee5p \u1ea3nh y\u00eau th\u00edch v\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c concept \u1ea3nh d\u1ecbp l\u1ec5, ph\u1ed1 x\u00e1.<\/span><\/p>\n

B\u00e0i vi\u1ebft \u0111\u00e3 cung c\u1ea5p cho ng\u01b0\u1eddi \u0111\u1ecdc t\u1ea5t t\u1ea7n t\u1eadt nh\u1eefng th\u00f4ng tin v\u1ec1 <\/span>Bokeh<\/b> v\u00e0 c\u00e1c m\u1eb9o ch\u1ee5p \u0111\u01a1n gi\u1ea3n v\u1edbi m\u00e1y \u1ea3nh. Ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u ch\u1ee5p \u1ea3nh c\u1ea7n tham kh\u1ea3o th\u1eadt k\u1ef9 c\u00e1c l\u01b0u \u00fd li\u00ean quan \u0111\u1ebfn b\u1ed1 c\u1ee5c, t\u1ef7 l\u1ec7, ph\u1ed1i s\u00e1ng v\u00e0 c\u00e1ch x\u00e1c \u0111\u1ecbnh ch\u1ee7 th\u1ec3, h\u1eadu c\u1ea3nh, ti\u1ec1n c\u1ea3nh. N\u1ebfu \u00e1p d\u1ee5ng \u0111\u00fang k\u1ef9 thu\u1eadt tr\u00ean, th\u01b0 vi\u1ec7n \u1ea3nh c\u1ee7a b\u1ea1n ch\u1eafc ch\u1eafn s\u1ebd tr\u1edf n\u00ean lung linh h\u01a1n r\u1ea5t nhi\u1ec1u l\u1ea7n. \u0110\u1eebng qu\u00ean theo d\u00f5i <\/span>Ho\u00e0ng H\u00e0 Mobile<\/b> \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00eam nhi\u1ec1u m\u1eb9o v\u1eb7t cu\u1ed9c s\u1ed1ng h\u1eefu \u00edch.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n