{"id":585049,"date":"2026-08-17T16:18:56","date_gmt":"2026-08-17T09:18:56","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=585049"},"modified":"2026-08-25T16:14:57","modified_gmt":"2026-08-25T09:14:57","slug":"can-bang-trang-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/can-bang-trang-la-gi\/","title":{"rendered":"C\u00e2n b\u1eb1ng tr\u1eafng l\u00e0 g\u00ec? C\u00e1ch ch\u1ec9nh \u0111\u1ec3 \u1ea3nh h\u1ebft \u00e1m m\u00e0u"},"content":{"rendered":"

B\u1ea1n ch\u1ee5p \u1ea3nh trong ph\u00f2ng d\u01b0\u1edbi \u0111\u00e8n v\u00e0ng v\u00e0 th\u1ea5y c\u1ea3 b\u1ee9c \u1ea3nh ng\u1ea3 sang cam, ho\u1eb7c ch\u1ee5p ngo\u00e0i tr\u1eddi l\u00fac tr\u1eddi r\u00e2m m\u00e0 da ng\u01b0\u1eddi l\u1ea1i t\u00e1i xanh? Nguy\u00ean nh\u00e2n n\u1eb1m \u1edf c\u00e2n b\u1eb1ng tr\u1eafng – th\u1ee9 quy\u1ebft \u0111\u1ecbnh m\u00e1y \u1ea3nh hay \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n c\u00f3 “\u0111\u1ecdc” \u0111\u00fang m\u00e0u tr\u1eafng d\u01b0\u1edbi t\u1eebng lo\u1ea1i \u00e1nh s\u00e1ng hay kh\u00f4ng. Hi\u1ec3u \u0111\u00fang kh\u00e1i ni\u1ec7m n\u00e0y, b\u1ea1n s\u1ebd bi\u1ebft v\u00ec sao \u1ea3nh b\u1ecb \u00e1m m\u00e0u, n\u00ean \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 m\u00e0u Kelvin bao nhi\u00eau cho t\u1eebng ho\u00e0n c\u1ea3nh, v\u00e0 c\u00e1ch ch\u1ec9nh WB ngay tr\u00ean \u0111i\u1ec7n tho\u1ea1i Samsung, Xiaomi, OPPO hay iPhone \u0111\u1ec3 c\u00f3 m\u00e0u s\u1eafc chu\u1ea9n h\u01a1n.<\/p>\n

C\u00e2n b\u1eb1ng tr\u1eafng l\u00e0 g\u00ec?<\/h2>\n

C\u00e2n b\u1eb1ng tr\u1eafng (ti\u1ebfng Anh: white balance, vi\u1ebft t\u1eaft WB) l\u00e0 thao t\u00e1c \u0111i\u1ec1u ch\u1ec9nh m\u00e0u s\u1eafc c\u1ee7a b\u1ee9c \u1ea3nh sao cho v\u1eadt th\u1ec3 m\u00e0u tr\u1eafng trong khung h\u00ecnh hi\u1ec3n th\u1ecb \u0111\u00fang l\u00e0 m\u00e0u tr\u1eafng, t\u1eeb \u0111\u00f3 k\u00e9o theo m\u1ecdi m\u00e0u kh\u00e1c trong \u1ea3nh c\u0169ng tr\u1edf n\u00ean ch\u00ednh x\u00e1c, b\u1ea5t k\u1ec3 ngu\u1ed3n s\u00e1ng l\u00fac ch\u1ee5p \u1ea5m hay l\u1ea1nh.<\/p>\n

V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf ch\u1ed7 m\u1ed7i ngu\u1ed3n s\u00e1ng c\u00f3 m\u1ed9t nhi\u1ec7t \u0111\u1ed9 m\u00e0u ri\u00eang: \u00e1nh n\u1eafng gi\u1eefa tr\u01b0a, \u00e1nh \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0ng \u1ea5m, \u00e1nh \u0111\u00e8n hu\u1ef3nh quang, \u00e1nh s\u00e1ng trong b\u00f3ng r\u00e2m h\u01a1i xanh… \u0111\u1ec1u mang t\u00f4ng m\u00e0u kh\u00e1c nhau. M\u1eaft ng\u01b0\u1eddi t\u1ef1 \u0111\u1ed9ng th\u00edch nghi n\u00ean v\u1eabn th\u1ea5y tr\u1eafng l\u00e0 tr\u1eafng d\u01b0\u1edbi m\u1ecdi \u0111i\u1ec1u ki\u1ec7n, nh\u01b0ng c\u1ea3m bi\u1ebfn m\u00e1y \u1ea3nh th\u00ec kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean, khi\u1ebfn \u1ea3nh d\u1ec5 b\u1ecb \u00e1m v\u00e0ng d\u01b0\u1edbi \u0111\u00e8n trong nh\u00e0 ho\u1eb7c \u00e1m xanh trong b\u00f3ng r\u00e2m.<\/p>\n

C\u00e2n b\u1eb1ng tr\u1eafng ch\u00ednh l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng \u00e1m m\u00e0u n\u00e0y, \u0111\u01b0a m\u00e0u s\u1eafc b\u1ee9c \u1ea3nh v\u1ec1 \u0111\u00fang nh\u01b0 nh\u1eefng g\u00ec m\u1eaft b\u1ea1n nh\u00ecn th\u1ea5y t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ee5p. M\u00e1y \u1ea3nh v\u00e0 \u0111i\u1ec7n tho\u1ea1i hi\u1ec7n nay \u0111\u1ec1u c\u00f3 ch\u1ebf \u0111\u1ed9 c\u00e2n b\u1eb1ng tr\u1eafng t\u1ef1 \u0111\u1ed9ng (Auto WB), \u0111\u1ed3ng th\u1eddi cho ph\u00e9p b\u1ea1n ch\u1ec9nh tay khi c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n.<\/p>\n

Ph\u00e2n bi\u1ec7t c\u00e2n b\u1eb1ng tr\u1eafng, tone m\u00e0u v\u00e0 b\u1ed9 l\u1ecdc m\u00e0u<\/h2>\n

Ba kh\u00e1i ni\u1ec7m n\u00e0y hay b\u1ecb nh\u1ea7m l\u1eabn v\u00ec \u0111\u1ec1u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00e0u s\u1eafc b\u1ee9c \u1ea3nh, nh\u01b0ng m\u1ee5c \u0111\u00edch v\u00e0 th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng kh\u00e1c nhau r\u00f5 r\u1ec7t.<\/p>\n\n\n\n\n\n\n\n
Kh\u00e1i ni\u1ec7m<\/th>\nM\u1ee5c \u0111\u00edch ch\u00ednh<\/th>\nTh\u1eddi \u0111i\u1ec3m \u00e1p d\u1ee5ng<\/th>\n\u1ea2nh h\u01b0\u1edfng t\u1edbi m\u00e0u th\u1eadt<\/th>\n<\/tr>\n<\/thead>\n
C\u00e2n b\u1eb1ng tr\u1eafng (white balance)<\/td>\nTr\u1ea3 l\u1ea1i m\u00e0u s\u1eafc trung th\u1ef1c theo \u0111\u00fang ngu\u1ed3n s\u00e1ng<\/td>\nL\u00fac ch\u1ee5p ho\u1eb7c h\u1eadu k\u1ef3 \u1ea3nh RAW<\/td>\nS\u1eeda \u0111\u00fang, kh\u00f4ng l\u00e0m l\u1ec7ch m\u00e0u g\u1ed1c n\u1ebfu ch\u1ec9nh chu\u1ea9n<\/td>\n<\/tr>\n
Tone m\u00e0u (color grading)<\/td>\nT\u1ea1o phong c\u00e1ch, c\u1ea3m x\u00fac ri\u00eang cho b\u1ed9 \u1ea3nh (\u1ea5m, l\u1ea1nh, ho\u00e0i c\u1ed5…)<\/td>\nH\u1eadu k\u1ef3, sau khi \u0111\u00e3 c\u00e2n b\u1eb1ng tr\u1eafng \u0111\u00fang<\/td>\nC\u1ed1 \u00fd l\u00e0m l\u1ec7ch m\u00e0u theo ch\u1ee7 \u0111\u00edch th\u1ea9m m\u1ef9<\/td>\n<\/tr>\n
B\u1ed9 l\u1ecdc m\u00e0u (filter)<\/td>\n\u00c1p nhanh m\u1ed9t hi\u1ec7u \u1ee9ng m\u00e0u\/\u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u00f3 s\u1eb5n<\/td>\nKhi \u0111\u0103ng \u1ea3nh l\u00ean m\u1ea1ng x\u00e3 h\u1ed9i<\/td>\nC\u00f3 th\u1ec3 l\u00e0m m\u1ea5t chi ti\u1ebft m\u00e0u g\u1ed1c n\u1ebfu l\u1ea1m d\u1ee5ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N\u00f3i ng\u1eafn g\u1ecdn: c\u00e2n b\u1eb1ng tr\u1eafng l\u00e0 b\u01b0\u1edbc “s\u1eeda cho \u0111\u00fang”, c\u00f2n tone m\u00e0u v\u00e0 b\u1ed9 l\u1ecdc m\u00e0u l\u00e0 b\u01b0\u1edbc “l\u00e0m cho \u0111\u1eb9p theo \u00fd th\u00edch” – v\u00e0 b\u1ea1n n\u00ean l\u00e0m \u0111\u00fang th\u1ee9 t\u1ef1 n\u00e0y \u0111\u1ec3 kh\u00f4ng m\u1ea5t chi ti\u1ebft m\u00e0u g\u1ed1c tr\u01b0\u1edbc khi ch\u1ec9nh phong c\u00e1ch. Ngo\u00e0i c\u00e2n b\u1eb1ng tr\u1eafng, m\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c c\u0169ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 n\u00e9t c\u1ee7a \u1ea3nh l\u00e0 lo\u1ea1i lens<\/a> \u0111ang g\u1eafn tr\u00ean m\u00e1y.<\/p>\n

\"Ph\u00e2n<\/p>\n

B\u1ea3ng nhi\u1ec7t \u0111\u1ed9 m\u00e0u Kelvin theo ngu\u1ed3n s\u00e1ng<\/h2>\n

Nhi\u1ec7t \u0111\u1ed9 m\u00e0u \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb Kelvin (K): gi\u00e1 tr\u1ecb c\u00e0ng th\u1ea5p, \u00e1nh s\u00e1ng c\u00e0ng \u1ea5m (v\u00e0ng, cam); gi\u00e1 tr\u1ecb c\u00e0ng cao, \u00e1nh s\u00e1ng c\u00e0ng l\u1ea1nh (xanh). B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y li\u1ec7t k\u00ea nhi\u1ec7t \u0111\u1ed9 m\u00e0u tham kh\u1ea3o c\u1ee7a c\u00e1c ngu\u1ed3n s\u00e1ng ph\u1ed5 bi\u1ebfn v\u00e0 m\u1ee9c WB n\u00ean \u0111\u1eb7t t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Ngu\u1ed3n s\u00e1ng<\/th>\nNhi\u1ec7t \u0111\u1ed9 m\u00e0u tham kh\u1ea3o<\/th>\n\u0110\u1eb7c \u0111i\u1ec3m \u00e1nh s\u00e1ng<\/th>\nN\u00ean \u0111\u1eb7t WB<\/th>\n<\/tr>\n<\/thead>\n
\u00c1nh n\u1ebfn<\/td>\n~1.900K<\/td>\nV\u00e0ng cam r\u1ea5t \u1ea5m<\/td>\nPreset Tungsten ho\u1eb7c \u0111\u1eb7t tay kho\u1ea3ng 1.900-2.000K<\/td>\n<\/tr>\n
\u0110\u00e8n s\u1ee3i \u0111\u1ed1t (\u0111\u00e8n d\u00e2y t\u00f3c)<\/td>\n~2.800K<\/td>\nV\u00e0ng \u1ea5m<\/td>\nPreset Tungsten\/Incandescent ho\u1eb7c kho\u1ea3ng 2.800K<\/td>\n<\/tr>\n
\u0110\u00e8n hu\u1ef3nh quang<\/td>\n~4.000K<\/td>\nH\u01a1i xanh l\u1ee5c, kh\u00f4ng \u0111\u1ec1u m\u00e0u<\/td>\nPreset Fluorescent ho\u1eb7c kho\u1ea3ng 4.000K<\/td>\n<\/tr>\n
N\u1eafng gi\u1eefa tr\u01b0a<\/td>\n~5.500K<\/td>\nTrung t\u00ednh, g\u1ea7n v\u1edbi \u00e1nh s\u00e1ng ban ng\u00e0y chu\u1ea9n<\/td>\nPreset Daylight ho\u1eb7c kho\u1ea3ng 5.500K<\/td>\n<\/tr>\n
Tr\u1eddi nhi\u1ec1u m\u00e2y<\/td>\n~6.500K<\/td>\nH\u01a1i xanh nh\u1eb9<\/td>\nPreset Cloudy ho\u1eb7c kho\u1ea3ng 6.500K<\/td>\n<\/tr>\n
B\u00f3ng r\u00e2m<\/td>\n~7.500K<\/td>\nXanh r\u00f5 r\u1ec7t<\/td>\nPreset Shade ho\u1eb7c kho\u1ea3ng 7.500K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nguy\u00ean t\u1eafc chung: khi \u1ea3nh b\u1ecb \u00e1m v\u00e0ng, b\u1ea1n c\u1ea7n \u0111\u1eb7t WB (gi\u00e1 tr\u1ecb K) th\u1ea5p h\u01a1n m\u1ee9c ngu\u1ed3n s\u00e1ng th\u1ef1c t\u1ebf \u0111\u1ec3 “k\u00e9o l\u1ea1nh” \u1ea3nh l\u1ea1i; khi \u1ea3nh b\u1ecb \u00e1m xanh, b\u1ea1n c\u1ea7n \u0111\u1eb7t WB cao h\u01a1n \u0111\u1ec3 “k\u00e9o \u1ea5m” \u1ea3nh l\u00ean. V\u1edbi \u00e1nh s\u00e1ng h\u1ed7n h\u1ee3p (v\u1eeba \u0111\u00e8n v\u1eeba n\u1eafng), b\u1ea1n n\u00ean ch\u1ecdn m\u1ee9c n\u1eb1m gi\u1eefa hai gi\u00e1 tr\u1ecb ho\u1eb7c \u01b0u ti\u00ean \u0111\u00fang m\u00e0u cho ch\u1ee7 th\u1ec3 ch\u00ednh.<\/p>\n

\"C\u00e2n<\/p>\n

Ch\u1ec9nh c\u00e2n b\u1eb1ng tr\u1eafng tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/h2>\n

H\u1ea7u h\u1ebft \u0111i\u1ec7n tho\u1ea1i hi\u1ec7n nay \u0111\u1ec1u cho ph\u00e9p can thi\u1ec7p v\u00e0o c\u00e2n b\u1eb1ng tr\u1eafng, ch\u1ec9 kh\u00e1c nhau \u1edf c\u00e1ch thao t\u00e1c gi\u1eefa Android v\u00e0 iPhone.<\/p>\n

Tr\u00ean c\u00e1c d\u00f2ng ch\u1ea1y Android nh\u01b0 Samsung, Xiaomi, OPPO: b\u1ea1n m\u1edf \u1ee9ng d\u1ee5ng Camera, chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 Pro (ho\u1eb7c “Chuy\u00ean nghi\u1ec7p”), sau \u0111\u00f3 ch\u1ea1m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng WB. T\u1eeb \u0111\u00e2y c\u00f3 hai l\u1ef1a ch\u1ecdn – ch\u1ecdn nhanh m\u1ed9t preset theo ngu\u1ed3n s\u00e1ng (Daylight, Cloudy, Fluorescent, Incandescent…) ho\u1eb7c k\u00e9o thanh tr\u01b0\u1ee3t \u0111\u1ec3 \u0111\u1eb7t tr\u1ef1c ti\u1ebfp gi\u00e1 tr\u1ecb Kelvin theo b\u1ea3ng nhi\u1ec7t \u0111\u1ed9 m\u00e0u \u1edf tr\u00ean. Ch\u1ebf \u0111\u1ed9 Pro c\u0169ng th\u01b0\u1eddng cho xem tr\u01b0\u1edbc (live preview) ngay khi k\u00e9o thanh, gi\u00fap b\u1ea1n c\u0103n ch\u1ec9nh b\u1eb1ng m\u1eaft cho t\u1edbi khi m\u00e0u tr\u1eafng trong khung h\u00ecnh tr\u00f4ng \u0111\u00fang.<\/p>\n

Tr\u00ean iPhone, \u1ee9ng d\u1ee5ng Camera m\u1eb7c \u0111\u1ecbnh kh\u00f4ng c\u00f3 n\u00fat ch\u1ec9nh Kelvin tr\u1ef1c ti\u1ebfp, nh\u01b0ng b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 can thi\u1ec7p theo hai c\u00e1ch. C\u00e1ch th\u1ee9 nh\u1ea5t: nh\u1ea5n gi\u1eef v\u00e0o ch\u1ee7 th\u1ec3 trong khung h\u00ecnh \u0111\u1ec3 kh\u00f3a AE\/AF (Auto Exposure\/Auto Focus), gi\u00fap m\u00e1y gi\u1eef \u1ed5n \u0111\u1ecbnh ph\u01a1i s\u00e1ng v\u00e0 focus thay v\u00ec li\u00ean t\u1ee5c “\u0111o\u00e1n l\u1ea1i” theo \u00e1nh s\u00e1ng \u0111\u1ed5i h\u01b0\u1edbng – qua \u0111\u00f3 h\u1ea1n ch\u1ebf c\u00e2n b\u1eb1ng tr\u1eafng b\u1ecb nh\u1ea3y khi b\u1ea1n di chuy\u1ec3n m\u00e1y. C\u00e1ch th\u1ee9 hai: ch\u1ee5p xong, v\u00e0o app \u1ea2nh, ch\u1ecdn S\u1eeda r\u1ed3i v\u00e0o m\u1ee5c Ch\u1ec9nh m\u00e0u \u0111\u1ec3 k\u00e9o thanh Nhi\u1ec7t \u0111\u1ed9 (Warmth) v\u00e0 T\u00f4ng m\u00e0u (Tint) cho kh\u1edbp v\u1edbi th\u1ef1c t\u1ebf; n\u1ebfu mu\u1ed1n ki\u1ec3m so\u00e1t WB ngay l\u00fac ch\u1ee5p, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng th\u00eam \u1ee9ng d\u1ee5ng ch\u1ee5p th\u1ee7 c\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng RAW, cho ph\u00e9p \u0111\u1eb7t preset ho\u1eb7c gi\u00e1 tr\u1ecb Kelvin tr\u01b0\u1edbc khi b\u1ea5m ch\u1ee5p. \u0110\u00e2y l\u00e0 k\u1ef9 n\u0103ng kh\u00e1 h\u1eefu \u00edch khi b\u1ea1n quay video review s\u1ea3n ph\u1ea9m ho\u1eb7c ch\u1ee5p \u1ea3nh trong nh\u00e0 d\u01b0\u1edbi \u00e1nh \u0111\u00e8n, t\u01b0\u01a1ng t\u1ef1 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng m\u00e1y \u1ea3nh c\u01a1<\/a> v\u1eabn quen ch\u1ec9nh tay t\u1eebng th\u00f4ng s\u1ed1 tr\u01b0\u1edbc khi b\u1ea5m m\u00e1y.<\/p>\n

\"Ch\u1ec9nh<\/p>\n

5 l\u1ed7i c\u00e2n b\u1eb1ng tr\u1eafng th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/h2>\n

Ph\u1ea7n l\u1edbn \u1ea3nh b\u1ecb \u00e1m m\u00e0u \u0111\u1ec1u r\u01a1i v\u00e0o m\u1ed9t trong c\u00e1c t\u00ecnh hu\u1ed1ng quen thu\u1ed9c d\u01b0\u1edbi \u0111\u00e2y – nh\u1eadn di\u1ec7n \u0111\u00fang nguy\u00ean nh\u00e2n s\u1ebd gi\u00fap b\u1ea1n s\u1eeda nhanh h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c ch\u1ec9nh m\u00f2.<\/p>\n