{"id":6431,"date":"2024-06-30T14:08:26","date_gmt":"2024-06-30T07:08:26","guid":{"rendered":"https:\/\/nhiepanhvacongnghe.com\/?p=6431"},"modified":"2024-06-30T16:43:07","modified_gmt":"2024-06-30T09:43:07","slug":"sigma-ra-mat-ong-kinh-art-28-45mm-f1-8","status":"publish","type":"post","link":"https:\/\/nhiepanhvacongnghe.com\/index.php\/2024\/06\/30\/sigma-ra-mat-ong-kinh-art-28-45mm-f1-8\/","title":{"rendered":"Sigma ra m\u1eaft \u1ed1ng k\u00ednh Art 28-45mm F1.8"},"content":{"rendered":"\n

Sigma v\u1eeba ra m\u1eaft \u1ed1ng k\u00ednh quang h\u1ecdc m\u1edbi nh\u1ea5t c\u1ee7a m\u00ecnh, \u1ed1ng k\u00ednh 28-45mm F1.8 DG DN<\/strong><\/a> Art d\u00e0nh cho m\u00e1y \u1ea3nh ng\u00e0m E v\u00e0 ng\u00e0m L. \u1ed0ng k\u00ednh n\u00e0y bao ph\u1ee7 d\u1ea3i ti\u00eau c\u1ef1 r\u1ed9ng \u0111\u1ebfn ti\u00eau chu\u1ea9n v\u00e0 Sigma tuy\u00ean b\u1ed1 \u0111\u00e2y l\u00e0 \u1ed1ng k\u00ednh zoom F1.8 kh\u1ea9u \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i \u0111\u1ea7u ti\u00ean d\u00e0nh cho m\u00e1y \u1ea3nh kh\u00f4ng g\u01b0\u01a1ng l\u1eadt full-frame.<\/p>\n\n\n\n

Sigma \u0111ang \u0111\u1eb7t k\u1ef3 v\u1ecdng cao cho \u1ed1ng k\u00ednh n\u00e0y, tuy\u00ean b\u1ed1 r\u1eb1ng n\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u1ed1ng k\u00ednh m\u1ed9t ti\u00eau c\u1ef1 v\u00e0 n\u00f3 v\u01b0\u1ee3t xa hi\u1ec7u su\u1ea5t c\u1ee7a \u1ed1ng k\u00ednh 24mm F1.4 DG DN v\u00e0 50mm F1.4 DG DN Art c\u1ee7a ch\u00ednh h\u00e3ng.<\/p>\n\n\n

\n
\"SIGMA<\/figure>\n<\/div>\n\n\n

\u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, \u1ed1ng k\u00ednh 28-45mm F1.8 c\u00f3 c\u00f4ng th\u1ee9c quang h\u1ecdc bao g\u1ed3m ba th\u1ea5u k\u00ednh phi c\u1ea7u v\u00e0 n\u0103m th\u1ea5u k\u00ednh SLD (t\u00e1n s\u1eafc si\u00eau th\u1ea5p) ph\u00eda tr\u01b0\u1edbc kh\u1ea9u \u0111\u1ed9 11 l\u00e1 kh\u1ea9u. Sigma cho bi\u1ebft \u1ed1ng k\u00ednh n\u00e0y s\u1ebd mang l\u1ea1i hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi khi m\u1edf r\u1ed9ng v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 h\u1ea1n ch\u1ebf quang sai m\u00e0u theo chi\u1ec1u d\u1ecdc.<\/p>\n\n\n\n

\u0110\u00e1nh \u0111\u1ed5i cho kh\u1ea9u \u0111\u1ed9 nhanh l\u00e0 k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng: \u1ed0ng k\u00ednh d\u00e0i 151mm (6″) v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 88mm (3,5″) v\u00e0 n\u1eb7ng 960g (33,9 oz).<\/p>\n\n\n\n

Sigma h\u01b0\u1edbng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng video ngo\u00e0i c\u00e1c nhi\u1ebfp \u1ea3nh gia t\u0129nh. T\u1ef1 \u0111\u1ed9ng l\u1ea5y n\u00e9t c\u1ee7a \u1ed1ng k\u00ednh \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi \u0111\u1ed9ng c\u01a1 HLA (b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tuy\u1ebfn t\u00ednh ph\u1ea3n h\u1ed3i cao) \u0111\u1ec3 cung c\u1ea5p AF nhanh v\u00e0 m\u1ea1nh, v\u00e0 Sigma cho bi\u1ebft quang h\u1ecdc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u vi\u1ec7c th\u1edf khi l\u1ea5y n\u00e9t. Thi\u1ebft k\u1ebf zoom b\u00ean trong s\u1ebd gi\u00fap s\u1eed d\u1ee5ng d\u1ec5 d\u00e0ng h\u01a1n tr\u00ean gimbal.<\/p>\n\n\n

\n
\"SIGMA<\/figure>\n<\/div>\n\n\n

C\u00e1c t\u00ednh n\u0103ng kh\u00e1c bao g\u1ed3m v\u00f2ng kh\u1ea9u \u0111\u1ed9 c\u00f3 th\u1ec3 kh\u00f3a, c\u00f4ng t\u1eafc nh\u1ea5p\/b\u1eadt cho ph\u00e9p thay \u0111\u1ed5i kh\u1ea9u \u0111\u1ed9 kh\u00f4ng c\u1ea7n nh\u1ea5p v\u00e0 hai n\u00fat t\u00f9y ch\u1ec9nh. Kho\u1ea3ng c\u00e1ch l\u1ea5y n\u00e9t t\u1ed1i thi\u1ec3u l\u00e0 30cm (11,8″) tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi zoom v\u00e0 \u1ed1ng k\u00ednh c\u00f3 \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i t\u1ed1i \u0111a l\u00e0 1:4. \u1ed0ng k\u00ednh s\u1eed d\u1ee5ng ren l\u1ecdc 82mm v\u00e0 Sigma cho bi\u1ebft \u1ed1ng k\u00ednh c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng b\u1ee5i v\u00e0 n\u01b0\u1edbc b\u1eafn v\u00e0o.<\/p>\n\n\n\n

SIGMA 28-45mm F1.8 DG DN | Art <\/a><\/strong>\u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m k\u1ebf th\u1eeba full-frame cho SIGMA 18-35mm F1.8 DC HSM | Art (d\u00e0nh cho m\u00e1y \u1ea3nh DSLR APS-C), v\u00e0o n\u0103m 2013 \u0111\u00e3 tr\u1edf th\u00e0nh \u1ed1ng k\u00ednh \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c F1.8 tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi zoom.<\/p>\n\n\n\n

M\u1eb7c d\u00f9 mang \u0111\u1ebfn s\u1ef1 ti\u1ec7n l\u1ee3i c\u1ee7a t\u00ednh n\u0103ng thu ph\u00f3ng, \u1ed1ng k\u00ednh m\u1edbi n\u00e0y kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t quang h\u1ecdc. B\u1eb1ng c\u00e1ch s\u1eafp x\u1ebfp hi\u1ec7u qu\u1ea3 3 th\u00e0nh ph\u1ea7n th\u1ea5u k\u00ednh phi c\u1ea7u v\u00e0 5 th\u00e0nh ph\u1ea7n k\u00ednh SLD, \u1ed1ng k\u00ednh n\u00e0y gi\u1ea3m thi\u1ec3u nhi\u1ec1u quang sai kh\u00e1c nhau v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c \u1ed1ng k\u00ednh ti\u00eau c\u1ef1 \u0111\u01a1n, th\u1eadm ch\u00ed v\u01b0\u1ee3t qua c\u1ea3 SIGMA 24mm F1.4 DG DN | Ngh\u1ec7 thu\u1eadt v\u00e0 SIGMA 50mm F1.4 DG DN | Art, v\u1ed1n \u0111\u00e3 n\u1ed5i ti\u1ebfng v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng quang h\u1ecdc.<\/p>\n\n\n

\n
\"SIGMA<\/figure>\n<\/div>\n\n\n

\u0110\u1eb7c bi\u1ec7t, 28-45mm F1.8 DG DN | Ngh\u1ec7 thu\u1eadt t\u1eadp trung v\u00e0o vi\u1ec7c gi\u1ea3m thi\u1ec3u quang sai m\u00e0u d\u1ecdc tr\u1ee5c, th\u01b0\u1eddng th\u1ea5y r\u00f5 \u1edf c\u00e1c \u1ed1ng k\u00ednh kh\u1ea9u \u0111\u1ed9 l\u1edbn, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh c\u00f3 m\u00e0u s\u1eafc t\u1ed1i thi\u1ec3u tr\u00ean c\u1ea3 m\u1eb7t ph\u1eb3ng l\u1ea5y n\u00e9t v\u00e0 hi\u1ec7u \u1ee9ng m\u1edd nh\u00f2e, \u0111\u1ed3ng th\u1eddi th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t quang h\u1ecdc cao t\u1eeb kh\u1ea9u \u0111\u1ed9 m\u1edf. Kho\u1ea3ng c\u00e1ch l\u1ea5y n\u00e9t t\u1ed1i thi\u1ec3u l\u00e0 30cm (11,8 inch) tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi v\u00e0 t\u1ef7 l\u1ec7 ph\u00f3ng \u0111\u1ea1i t\u1ed1i \u0111a 1:4 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf ti\u00eau c\u1ef1 45mm.<\/p>\n\n\n\n

V\u1edbi t\u00ednh n\u0103ng thu ph\u00f3ng b\u00ean trong v\u00e0 t\u1ef1 \u0111\u1ed9ng l\u1ea5y n\u00e9t HLA (B\u1ed9 truy\u1ec1n \u0111\u1ed9ng tuy\u1ebfn t\u00ednh ph\u1ea3n h\u1ed3i cao) v\u00e0 thi\u1ebft k\u1ebf quang h\u1ecdc gi\u00fap gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng thay \u0111\u1ed5i ti\u00eau \u0111i\u1ec3m, SIGMA 28-45mm F1.8 DG DN | Art r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00f4ng vi\u1ec7c video, bao g\u1ed3m c\u1ea3 thi\u1ebft l\u1eadp gimbal, nh\u1edd thi\u1ebft k\u1ebf c\u00e2n \u0111\u1ed1i. C\u00f4ng t\u1eafc b\u1ea5m\/b\u1ea5m n\u00fat v\u00e0 v\u00f2ng kh\u1ea9u \u0111\u1ed9 c\u00f3 th\u1ec3 kh\u00f3a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u s\u1edf th\u00edch ch\u1ee5p \u1ea3nh c\u00e1 nh\u00e2n kh\u00e1c nhau, \u0111\u1ed3ng th\u1eddi thi\u1ebft k\u1ebf ch\u1ed1ng b\u1ee5i v\u00e0 n\u01b0\u1edbc b\u1eafn c\u0169ng gi\u00fap \u1ed1ng k\u00ednh n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 ch\u1ee5p \u1ea3nh t\u0129nh v\u00e0 quay video trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n

H\u00e3y \u0111\u1ebfn v\u1edbi nhi\u1ebfp \u1ea3nh v\u00e0 c\u00f4ng ngh\u1ec7<\/a> \u0111\u1ec3 kh\u00e1m ph\u00e1 nh\u1eefng ki\u1ebfn th\u1ee9c m\u1edbi v\u1ec1 m\u00e1y \u1ea3nh, \u1ee9ng d\u1ee5ng ch\u1ec9nh s\u1eeda h\u00ecnh \u1ea3nh, v\u00e0 c\u00e1ch t\u1eadn d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111\u1ec3 t\u1ea1o ra nh\u1eefng t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt \u0111\u1ed9c \u0111\u00e1o.<\/p>\n\n\n\n

Ngu\u1ed3n: dpreview<\/p>\n","protected":false},"excerpt":{"rendered":"

Sigma v\u1eeba ra m\u1eaft \u1ed1ng k\u00ednh quang h\u1ecdc m\u1edbi nh\u1ea5t c\u1ee7a m\u00ecnh, \u1ed1ng k\u00ednh 28-45mm F1.8 DG DN Art d\u00e0nh cho m\u00e1y \u1ea3nh ng\u00e0m E v\u00e0 ng\u00e0m L. \u1ed0ng k\u00ednh n\u00e0y bao ph\u1ee7 d\u1ea3i ti\u00eau c\u1ef1 r\u1ed9ng \u0111\u1ebfn ti\u00eau chu\u1ea9n v\u00e0 Sigma tuy\u00ean b\u1ed1 \u0111\u00e2y l\u00e0 \u1ed1ng k\u00ednh zoom F1.8 kh\u1ea9u \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i \u0111\u1ea7u […]<\/p>\n","protected":false},"author":1,"featured_media":6494,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[340,224,113,48,189,187,164],"class_list":["post-6431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-28-45mm-f1-8","tag-cong-nghe-nhiep-anh","tag-haida","tag-lens","tag-ong-kinh-2","tag-sigma","tag-sony"],"yoast_head":"\nSigma ra m\u1eaft \u1ed1ng k\u00ednh Art 28-45mm F1.8 - 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