{"id":7698,"date":"2026-05-18T23:21:44","date_gmt":"2026-05-18T16:21:44","guid":{"rendered":"https:\/\/nhiepanhvacongnghe.com\/?p=7698"},"modified":"2026-05-18T23:21:51","modified_gmt":"2026-05-18T16:21:51","slug":"sigma-17-40mm-f-1-8-dc-art-review-huyen-thoai-aps-c-da-tro-lai","status":"publish","type":"post","link":"https:\/\/nhiepanhvacongnghe.com\/index.php\/2026\/05\/18\/sigma-17-40mm-f-1-8-dc-art-review-huyen-thoai-aps-c-da-tro-lai\/","title":{"rendered":"Sigma 17-40mm f\/1.8 DC Art Review: Huy\u1ec1n tho\u1ea1i APS-C \u0111\u00e3 tr\u1edf l\u1ea1i"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/eTy1ttFIR_12oWEgRHcqwrhwsWSzyXQ955rvwy4IMSVPQWrmplAgS-w8rpHFa7lx7trhFLSCm9mJe7avfFJb5qwnG1IvTIlAZxJ0POIH--q5YT_5XXOYrFnmsIsaD7iQcTzskd263xbjuvyXzb-QVCZFWKh_INHtIjheGvBaFIk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/A6fEaYNVTIdVsvFbH0d09azBBRw4i6U1FjioB2sygyzZK7s1Kke3oF9OoEBzR8pxGvldIlz8Hr0E-YhGzvk-EVDEwYTnEOU8Vt9IaOUTUhM3XH4qXVad37fGudn-8gLjIFDYoQwN8GXeNxKPPbdRzoZmoIe-eGgq7t-JNs-LadttkutPw6s7LX4qsKLrDp68?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/bEbPP7GXL2ZIgrLhy3wnNMiGnXfYHqAfTZJvQDMCz403CaeB9_BSpnB5WO2qCcxST6IZV6KE9sculyZ_V192kQCSU7ZYOX-2GOsexK78n4ehljEW2rUob29Lykuj8fj6q8kAMBHWuzsF4tH5Mis-u3hoVcDUAWKIxEbyhD9LH9k?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/H9_VM5lPoWnzHBwYziwXV7huPU7qJhX5I2Mt65DLxHYUb0Ip6th7slu-AYao5FEJ4TNdF8aQ_wpUVurHiPxX-qQqkdByqYB0OCRLAjsqXBGc7-a55-XYQ6-Yi3sCesF6F-_F1Gd3qEEMIgYNXv0z2h1qzywhbqAZbrBkecffVQP9OxwQXWmm23voDygHr9EX?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/songhongcamera.com\/products\/ong-kinh-sigma-17-40mm-f-1-8-dc-art\" type=\"link\" id=\"https:\/\/songhongcamera.com\/products\/ong-kinh-sigma-17-40mm-f-1-8-dc-art\">Sigma 17-40mm f\/1.8 DC Art<\/a> l\u00e0 phi\u00ean b\u1ea3n k\u1ebf nhi\u1ec7m c\u1ee7a chi\u1ebfc Sigma 18-35mm f\/1.8 huy\u1ec1n tho\u1ea1i \u2014 m\u1ed9t trong nh\u1eefng lens crop n\u1ed5i ti\u1ebfng nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/y8TrGUil07lNyR-gCGYAKIxuPPdAtYUYlNNcRLmISGinvfQCFLZ3v-yomheIk4tR13jPqfihGY7gab-pfueRwi7GjrbQsuTGMhzt4G4SzfX6iqKObtfm8vm767F00yUVU8sQNnzcnWYxnPbFYdnaGfMBMkDBEBPUi_XITjyWYCk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/DfAGRdpswxx46H8qVQDpACYfcLlv-x1RWjnHDaEctuLEKLwai0HmRNIkFPQDyJAFCT5FGdQD9IMCEASQEI8HYxDInHD8h7Bl-b2n9JaopvbGlraDSBomwSiZfiWAPHbHL7wpboZm3NsAGtvlcSZmyp7SuuKAbyPLIA2n5JZxB_FL7HTeHp6MJlVeD6NeIWxr?purpose=fullsize\" style=\"aspect-ratio:1.5016523463317912;width:488px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<p>Trong th\u1eddi \u0111\u1ea1i m\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0111a s\u1ed1 lens APS-C h\u01b0\u1edbng t\u1edbi ng\u01b0\u1eddi m\u1edbi<\/li>\n\n\n\n<li>kh\u1ea9u \u0111\u1ed9 ch\u1ec9 quanh f\/2.8<\/li>\n\n\n\n<li>build th\u01b0\u1eddng b\u1ecb c\u1eaft gi\u1ea3m<\/li>\n<\/ul>\n\n\n\n<p>th\u00ec Sigma l\u1ea1i tung ra m\u1ed9t chi\u1ebfc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>zoom APS-C chuy\u00ean nghi\u1ec7p<\/li>\n\n\n\n<li>kh\u1ea9u f\/1.8 c\u1ed1 \u0111\u1ecbnh<\/li>\n\n\n\n<li>thu\u1ed9c d\u00f2ng Art cao c\u1ea5p<\/li>\n<\/ul>\n\n\n\n<p>v\u00e0 \u0111i\u1ec1u \u0111\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ef1c k\u1ef3 \u0111\u00e1ng ch\u00fa \u00fd.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Ho\u00e0n thi\u1ec7n \u0111\u00fang ch\u1ea5t Sigma Art<\/h1>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/bEbPP7GXL2ZIgrLhy3wnNMiGnXfYHqAfTZJvQDMCz403CaeB9_BSpnB5WO2qCcxST6IZV6KE9sculyZ_V192kQCSU7ZYOX-2GOsexK78n4ehljEW2rUob29Lykuj8fj6q8kAMBHWuzsF4tH5Mis-u3hoVcDUAWKIxEbyhD9LH9k?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/H9_VM5lPoWnzHBwYziwXV7huPU7qJhX5I2Mt65DLxHYUb0Ip6th7slu-AYao5FEJ4TNdF8aQ_wpUVurHiPxX-qQqkdByqYB0OCRLAjsqXBGc7-a55-XYQ6-Yi3sCesF6F-_F1Gd3qEEMIgYNXv0z2h1qzywhbqAZbrBkecffVQP9OxwQXWmm23voDygHr9EX?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/D1c7dyAYKpC7eClJYCi9psehz-YnLpWYapnLlDKKvzXncJ45HI9jpU74UNhDeznxfQHG_txPbr0aFhpe9rf9M9sVADm8830tTaMhf44FC3S9CQDGLSE_JJWwAcb-aXqtMMwayNenwY3CIZoLUWGF4u10GlJttr6r38pouhYzK-E?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/8hNSNEEdYYtf1UDfPU9s8tfj7W-PzRWTEgU4eohd67ZUsBmAiilm0abL3En8POu3UahYQohj9UEJlJOXkx6KvciVv0wM-nzUMMnD53vr5sE8A5bdnCsOlvYxxI48r2oqHQPzt7biPls9Cc4zcfykmybf9Klv9ULLREaj3wNzGoRPxvuGLWTNpX97yzTlqMNP?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/8ipX2HvBafkS0iNVA6warkUH8YKig0IP3G_rZtDDOQZQbGrgY2hxnWdTIJSAJp_Z50f2UCK2Exhx-Uq6zWjuXLK6KNk8E2e4hs4pVhuaZ8OAcxDlRjfCjXzyLgdi8ZQmhoAd2_6j0afEvuJEz63ObwFJVpc_kPicYYEEybRvCT0?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/_iRbNmz_uIhVRjTZaDbqX3jsXamiCZCxdh_sxabcZDxhK71TTIBWUE3oeaja8U9XtG9r_abXCnY9RCSMYRXzd7f78sbxd9Q2m4i4Hscc1qy2-Dl9c_YIZO4grW9lrjpZIzjI87fchyblfd1dx-qzpgoSaZjyvjw9eb4AoN5fifmJ5VpMWNjrEVho8QjmzENo?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n\n<p>Nh\u01b0 th\u01b0\u1eddng l\u1ec7 v\u1edbi d\u00f2ng Art:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>build c\u1ef1c k\u1ef3 ch\u1eafc ch\u1eafn<\/li>\n\n\n\n<li>weather sealing \u0111\u1ea7y \u0111\u1ee7<\/li>\n\n\n\n<li>ho\u00e0n thi\u1ec7n kim lo\u1ea1i r\u1ea5t cao c\u1ea5p<\/li>\n<\/ul>\n\n\n\n<p>Lens h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>filter 67mm<\/li>\n\n\n\n<li>v\u00f2ng kh\u1ea9u c\u00f3 th\u1ec3 de-click<\/li>\n\n\n\n<li>custom button<\/li>\n\n\n\n<li>AF\/MF switch<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t s\u1ed1 mount c\u00f2n c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>aperture ring ri\u00eang<\/li>\n<\/ul>\n\n\n\n<p>\u0110i\u1ec3m c\u1ed9ng l\u1edbn l\u00e0 tr\u1ecdng l\u01b0\u1ee3ng ch\u1ec9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>535g<\/li>\n<\/ul>\n\n\n\n<p>kh\u00e1 nh\u1eb9 so v\u1edbi nh\u1eefng g\u00ec chi\u1ebfc lens n\u00e0y mang l\u1ea1i.<\/p>\n\n\n\n<p>Lens hi\u1ec7n c\u00f3 cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sony E<\/li>\n\n\n\n<li>Canon RF<\/li>\n\n\n\n<li>Nikon Z<\/li>\n\n\n\n<li>Fujifilm X<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Ch\u1ea5t l\u01b0\u1ee3ng quang h\u1ecdc r\u1ea5t t\u1ed1t\u2026 nh\u01b0ng ch\u01b0a ho\u00e0n h\u1ea3o<\/h1>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/kBV6Sdem0s8eSW2-ShxciekS3HwiDC6l33nZPj07_a3Twq_OJ3_WRFG8G-CSFSDhQnfg2SJt5sJmL7IEgXEf2NV_OsjQGZeU05fAOSQaECVO1Bw0fh2jKNBFYIcov7JXkRndyKlqxgvTj9lB9MfdqSRxQN90UvPPatj0V0nyKq8?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/3a8Qb1JmcOI4pGq6Jx6NGFAZmRC90Sztc8UDHNm93UUzGnqGilFplL8GWLdYft9_Fxs2j8nOq_bQ69sPpIrhE8JJVZeofpEDlFU1EEuLFUdtCGwlBcnXcr083v-uuyRlG82wtyBd_wmvSoqXsnT11XZiiQV_XdnyLarJTxBqFMxfZyH_2a8CgVyNRklN8Cov?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/kyliyUVLIbtdMjXZWEpUKmYWjvg-55aYjfrNx7g9KFQR4Zv7rwHxL7XczkUGQzqz-RL1J1gX3l5Cwfo0YwMK3404viY-4Lygf5o48_0eP6-F9GLi_Jcqq3Y856ZNWr3t7z96RB533vMgTlqhxsC8PaHKE7ifCvHUFUeJ3UJamWU?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/Ew6kuuLytvKc0q_iFXU4zzW-NinTGHJFWdZ45WRFXD7D5g0mMBRdfcp7UT40dMzWoMv_A6OVk2i0LvBdsWStx52-t-SJ6Wy7VkRZ0o8GHAZWDJ-K_8-XCpuXudqowvZU8HtsUtYcTz26XtQ3GbBoAWEr7bD8k57DHy11QynP5GwAytM1VejCb5sUO1cgcSuX?purpose=fullsize\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/y8TrGUil07lNyR-gCGYAKIxuPPdAtYUYlNNcRLmISGinvfQCFLZ3v-yomheIk4tR13jPqfihGY7gab-pfueRwi7GjrbQsuTGMhzt4G4SzfX6iqKObtfm8vm767F00yUVU8sQNnzcnWYxnPbFYdnaGfMBMkDBEBPUi_XITjyWYCk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/DfAGRdpswxx46H8qVQDpACYfcLlv-x1RWjnHDaEctuLEKLwai0HmRNIkFPQDyJAFCT5FGdQD9IMCEASQEI8HYxDInHD8h7Bl-b2n9JaopvbGlraDSBomwSiZfiWAPHbHL7wpboZm3NsAGtvlcSZmyp7SuuKAbyPLIA2n5JZxB_FL7HTeHp6MJlVeD6NeIWxr?purpose=fullsize\"\/><\/figure>\n\n\n\n<p>\u0110i\u1ec1u \u1ea5n t\u01b0\u1ee3ng nh\u1ea5t l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0111\u1ed9 n\u00e9t trung t\u00e2m r\u1ea5t cao ngay t\u1ea1i f\/1.8<\/li>\n\n\n\n<li>contrast t\u1ed1t<\/li>\n\n\n\n<li>chi ti\u1ebft d\u00e0y<\/li>\n\n\n\n<li>\u1ea3nh c\u00f3 c\u1ea3m gi\u00e1c r\u1ea5t \u201cpro\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u1ede c\u1ea3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>17mm<\/li>\n\n\n\n<li>40mm<\/li>\n<\/ul>\n\n\n\n<p>k\u1ebft qu\u1ea3 \u0111\u1ec1u \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Tuy nhi\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>corner softness v\u1eabn xu\u1ea5t hi\u1ec7n \u1edf f\/1.8<\/li>\n\n\n\n<li>distortion kh\u00e1 r\u00f5 \u1edf r\u00eca<\/li>\n\n\n\n<li>kh\u00e9p xu\u1ed1ng f\/4 s\u1ebd \u0111\u1eb9p h\u01a1n \u0111\u00e1ng k\u1ec3<\/li>\n<\/ul>\n\n\n\n<p>N\u00f3i c\u00e1ch kh\u00e1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>f\/1.8 usable<\/li>\n\n\n\n<li>nh\u01b0ng f\/4 m\u1edbi l\u00e0 \u201csweet spot\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Flare ki\u1ec3m so\u00e1t t\u1ed1t nh\u01b0ng ghosting kh\u00e1 m\u1ea1nh<\/h1>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/1U3goDY4fo8Uf8ioWGtLLG6rDcWMzritWTPue3ZQ16S7KJwfN8AXqIUDtWfIXxt6umrjLxOJk0of4PBrsqN7c0sHKJtNZdENLePTEGA2vPHS3m6FkWPL1kGc9usyOeREZXqlEyZ_Z8fS12kG7wT5RdM3v1TpO1cplwogCVieo-0?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/mOEpgKt3Sbmjpw1AMnNrVIUTRTTN-z3Y7mTiShDPfkBQurJn9Drg-B18Gb1L_rLvWV9xJ2Q_Kl-D4DrIIdq4U7S1CJilDnzBEarz638u5a99tYMGo_6RYILXVKkGcY1eH33QFKRJAYhVODJ0U4UjrhrXIH8_H4B9UT_1hhHIW3X85M1V9zw6Zza3l0kNxQyJ?purpose=fullsize\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/ZXUUlz7OCc4OSmZnC_xPMDOrcDMmeNxKIBGZ2gETdF-8tgVb2AR_kFw37Y6wMydqCpLygb-WqZI29z-2Mds2Owb_0eHt4FsDtreEJw-NutRAvE16INGM358NQY1xpXWrG0b7Byd2NBlQi3E4DxfjnNu_MpxbZIXeuTrpw7C7joc?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/LvprSWrIfhsoWDLENoTfGAOJlmV5O9Y_z7ASitexa0iBbLSmMTet8e8gQ9kIgP4pbs1jGhOuWHM7tkaZ-pY89pciWD82lUmP1f1FSM-SNGBuLvqJheNZL9YUpLNA0RBRkSNzXpa-1xGeJ2EztQYJwiXd6tdTObsY6HSPnDU71hT2xSohOuF0n47L-BM259z_?purpose=fullsize\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/8ipX2HvBafkS0iNVA6warkUH8YKig0IP3G_rZtDDOQZQbGrgY2hxnWdTIJSAJp_Z50f2UCK2Exhx-Uq6zWjuXLK6KNk8E2e4hs4pVhuaZ8OAcxDlRjfCjXzyLgdi8ZQmhoAd2_6j0afEvuJEz63ObwFJVpc_kPicYYEEybRvCT0?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/_iRbNmz_uIhVRjTZaDbqX3jsXamiCZCxdh_sxabcZDxhK71TTIBWUE3oeaja8U9XtG9r_abXCnY9RCSMYRXzd7f78sbxd9Q2m4i4Hscc1qy2-Dl9c_YIZO4grW9lrjpZIzjI87fchyblfd1dx-qzpgoSaZjyvjw9eb4AoN5fifmJ5VpMWNjrEVho8QjmzENo?purpose=fullsize\"\/><\/figure>\n\n\n\n<p>Sigma coating ho\u1ea1t \u0111\u1ed9ng kh\u00e1 hi\u1ec7u qu\u1ea3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>flare wash-out \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t<\/li>\n<\/ul>\n\n\n\n<p>Nh\u01b0ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ghosting v\u1eabn xu\u1ea5t hi\u1ec7n nhi\u1ec1u<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1eb7c bi\u1ec7t \u1edf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>f\/1.8<\/li>\n\n\n\n<li>ch\u1ee5p ng\u01b0\u1ee3c s\u00e1ng m\u1ea1nh<\/li>\n<\/ul>\n\n\n\n<p>Ghosting c\u00f3 th\u1ec3 t\u1ea1o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v\u00f9ng s\u00e1ng loang m\u1ec1m<\/li>\n\n\n\n<li>hi\u1ec7u \u1ee9ng cinematic nh\u1eb9<\/li>\n<\/ul>\n\n\n\n<p>Kh\u00e9p kh\u1ea9u xu\u1ed1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ghosting gom l\u1ea1i th\u00e0nh c\u00e1c m\u1ea3ng ph\u1ea3n x\u1ea1 m\u00e0u r\u00f5 h\u01a1n<\/li>\n<\/ul>\n\n\n\n<p>Ngo\u00e0i ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sunstar r\u1ea5t \u0111\u1eb9p<\/li>\n\n\n\n<li>s\u1eafc n\u00e9t<\/li>\n\n\n\n<li>kh\u00e1 dramatic nh\u1edd kh\u1ea9u 11 l\u00e1<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u00e2y l\u00e0 \u0111i\u1ec3m c\u1ed9ng l\u1edbn cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cityscape<\/li>\n\n\n\n<li>sunset<\/li>\n\n\n\n<li>night photography<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Bokeh \u1ed5n, nh\u01b0ng kh\u00f4ng qu\u00e1 \u201ckem\u201d<\/h1>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/eTy1ttFIR_12oWEgRHcqwrhwsWSzyXQ955rvwy4IMSVPQWrmplAgS-w8rpHFa7lx7trhFLSCm9mJe7avfFJb5qwnG1IvTIlAZxJ0POIH--q5YT_5XXOYrFnmsIsaD7iQcTzskd263xbjuvyXzb-QVCZFWKh_INHtIjheGvBaFIk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/A6fEaYNVTIdVsvFbH0d09azBBRw4i6U1FjioB2sygyzZK7s1Kke3oF9OoEBzR8pxGvldIlz8Hr0E-YhGzvk-EVDEwYTnEOU8Vt9IaOUTUhM3XH4qXVad37fGudn-8gLjIFDYoQwN8GXeNxKPPbdRzoZmoIe-eGgq7t-JNs-LadttkutPw6s7LX4qsKLrDp68?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/f9mg5w0U7Kyp5Qk3J0wrhE2r5twLLLdtjAj79HycIpqyeKAwwR1EdVWPtFUUsBKwlUPV6n7bq-xFgklbHFU5LfqljcVZ5fIqInyxFVvmMqBtvCJQgfPdNWBvy5EoBywRWFZ3cj7bmLLvlDeJMatPHPLaWPp74smUcDZbhmuCTvw?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/2iSAIMAg6tM3SqSukLVnhw-mOEMtAvqe0KGTct9GIXMJwveb0FX7wX_P3V0iop_BLi40JYgJxf0HSJlvufM2MIhOXtfaDWXTHBdkYEGKHWAClqB6PeXwtLK4qb74hzpxO1DhlWrUf_tZD75Xtpo9jDsp5vCnN2W70Q4x8OPW5W_NIeO95WApq8AsvddRdmUg?purpose=fullsize\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/Drno7pziMvrRSLMlJ_UOFElG8NOCwV8O7pq123z5czZGX8SEHisfKAIla-RqQHQEtPP27OW7g_4gRIssV6pvJOi_JEfjaS1nU_DJ79taenDaEUCdfi_6wV5PWTPhSR54_rWUygs8W6eAPyHKD4phVPfmLotDGSCGPJ-QjInpCfc?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/-COB2nPklV4-JqVBlhRYFdaqSPGzABciObTr78xt-x7iPYAeQkBSn6GJJloN3ls1kRYRNvCwZlGnPDj1a1x9OEV3pLfpWODaZSmXo_aJ-iG2ru8bABfliGLqCFWrLYTJmUQjgwFEfcWLVtkCOAUdc4wBn2jdx7L5cqiIdBnP3OTU253PFXuuAsZ2-YCobO93?purpose=fullsize\"\/><\/figure>\n\n\n\n<p>5<\/p>\n\n\n\n<p>\u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a lens n\u00e0y l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>zoom APS-C<\/li>\n\n\n\n<li>nh\u01b0ng DOF t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng f\/2.8 full-frame<\/li>\n<\/ul>\n\n\n\n<p>\u0110i\u1ec1u \u0111\u00f3 gi\u00fap:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>t\u00e1ch ch\u1ee7 th\u1ec3 kh\u00e1 t\u1ed1t<\/li>\n\n\n\n<li>ch\u1ee5p lowlight d\u1ec5 h\u01a1n nhi\u1ec1u<\/li>\n<\/ul>\n\n\n\n<p>Bokeh nh\u00ecn chung:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>s\u1ea1ch<\/li>\n\n\n\n<li>d\u1ec5 ch\u1ecbu<\/li>\n\n\n\n<li>\u0111\u1ee7 m\u1ec1m<\/li>\n<\/ul>\n\n\n\n<p>Tuy nhi\u00ean c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>soap-bubble effect nh\u1eb9<\/li>\n\n\n\n<li>background \u0111\u00f4i l\u00fac h\u01a1i \u201cg\u1eaft\u201d<\/li>\n<\/ul>\n\n\n\n<p>Kh\u00f4ng m\u1ec1m ki\u1ec3u creamy nh\u01b0 c\u00e1c prime portrait cao c\u1ea5p.<\/p>\n\n\n\n<p>Ngo\u00e0i ra lens c\u00f2n c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LoCA kh\u00e1 r\u00f5<\/li>\n\n\n\n<li>xu\u1ea5t hi\u1ec7n vi\u1ec1n xanh\/v\u00e0ng \u1edf v\u00f9ng t\u01b0\u01a1ng ph\u1ea3n m\u1ea1nh<\/li>\n<\/ul>\n\n\n\n<p>v\u00e0 \u0111i\u1ec1u n\u00e0y c\u0169ng khi\u1ebfn vi\u1ec7c ch\u1ee5p wide open ph\u1ea3i c\u00e2n nh\u1eafc \u0111\u00f4i ch\u00fat.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Lens c\u1ef1c k\u1ef3 h\u1ee3p quay video<\/h1>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/PwSeEE9j8ph8UQv92uFHoktuBVi3uLjuPhzh65R7CkrzUt3960vk9VoH8qmwlFEqkF4MKXK7h6ItDwm6j-suvKNBHg5-TfUBCML7NsK09DnCH3FfirahZZQEpG4g0iKrR2X5rGkDotovfY4A9WuR0o_OPBYuPT7Bu1GVaNR4DWk?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/re4-zfugPg-KHW6BAETs-hvUqVXwpWNQNiB5rz8g_9naqWqTfs87CPR89Xy0a4FciGWDjgFFCU2H_q6XAb0Is_nyJKFzU8dC8NqVX_fJStxWhiLjanNXnoN408qHYIo7NHKnlb6Wsp0OEgehLfiA_2ux9sbb65Uwjlpw1nRsCTexUs4lRtidxJBI9Ipi1T8g?purpose=fullsize\"\/><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/bEbPP7GXL2ZIgrLhy3wnNMiGnXfYHqAfTZJvQDMCz403CaeB9_BSpnB5WO2qCcxST6IZV6KE9sculyZ_V192kQCSU7ZYOX-2GOsexK78n4ehljEW2rUob29Lykuj8fj6q8kAMBHWuzsF4tH5Mis-u3hoVcDUAWKIxEbyhD9LH9k?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/H9_VM5lPoWnzHBwYziwXV7huPU7qJhX5I2Mt65DLxHYUb0Ip6th7slu-AYao5FEJ4TNdF8aQ_wpUVurHiPxX-qQqkdByqYB0OCRLAjsqXBGc7-a55-XYQ6-Yi3sCesF6F-_F1Gd3qEEMIgYNXv0z2h1qzywhbqAZbrBkecffVQP9OxwQXWmm23voDygHr9EX?purpose=fullsize\"\/><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/6ezII-vu2T3hrRdU0j3fdSjywM2O_7MrCiimTgBOsMEynDTf0zv41V8m2RLQnFb3d7Dq4J6831RT0oABs-uLMnMiyaugNLq6W1fiLZvRSnB22_byYq-m0h1hFfUBTvaTXIl47Sxi5gchj6GX3krLw1Eg1EmpJhanohkX4ZHq5_c?purpose=inline\" alt=\"https:\/\/images.openai.com\/static-rsc-4\/InxcHfUJ_hmMIcelRc0gNkCNIYXVF-D-PwvTiZN9UGTjZsqYjWeO_GVfQnnRZaA0j3MvJ-ywjVRj5vCbIw6AqcDFJIt61WWj_p_qZOn5PIJUelnOZM_J5P3lwa1BlKPEhh-auiY66-4n1iDNbrSfIce9_hY0P_1tPnnDT_c0xELd2kdzLP9qnXLkp2GrgRoD?purpose=fullsize\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t trong nh\u1eefng lens APS-C quay video h\u1ea5p d\u1eabn nh\u1ea5t hi\u1ec7n nay.<\/p>\n\n\n\n<p>L\u00fd do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kh\u1ea9u f\/1.8 c\u1ed1 \u0111\u1ecbnh<\/li>\n\n\n\n<li>focus breathing r\u1ea5t th\u1ea5p<\/li>\n\n\n\n<li>k\u00edch th\u01b0\u1edbc g\u1ecdn<\/li>\n\n\n\n<li>h\u1ee3p gimbal<\/li>\n\n\n\n<li>aperture ring de-click<\/li>\n<\/ul>\n\n\n\n<p>Trong th\u1eddi \u0111\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Super35 v\u1eabn r\u1ea5t ph\u1ed5 bi\u1ebfn<\/li>\n\n\n\n<li>nhi\u1ec1u creator d\u00f9ng APS-C<\/li>\n<\/ul>\n\n\n\n<p>th\u00ec Sigma g\u1ea7n nh\u01b0 \u0111ang t\u1ef1 t\u1ea1o ra m\u1ed9t ph\u00e2n kh\u00fac ri\u00eang cho m\u00ecnh.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h1>\n\n\n\n<p>Sigma 17-40mm f\/1.8 DC Art kh\u00f4ng ho\u00e0n h\u1ea3o, nh\u01b0ng l\u00e0 m\u1ed9t chi\u1ebfc lens c\u1ef1c k\u1ef3 \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n<p>B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>kh\u1ea9u f\/1.8 hi\u1ebfm c\u00f3 tr\u00ean zoom APS-C<\/li>\n\n\n\n<li>build cao c\u1ea5p<\/li>\n\n\n\n<li>\u0111\u1ed9 n\u00e9t trung t\u00e2m r\u1ea5t t\u1ed1t<\/li>\n\n\n\n<li>kh\u1ea3 n\u0103ng quay video m\u1ea1nh<\/li>\n\n\n\n<li>h\u1ec7 mount \u0111a d\u1ea1ng<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed5i l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>corner \u1edf f\/1.8 ch\u01b0a xu\u1ea5t s\u1eafc<\/li>\n\n\n\n<li>ghosting kh\u00e1 m\u1ea1nh<\/li>\n\n\n\n<li>LoCA v\u1eabn hi\u1ec7n di\u1ec7n<\/li>\n<\/ul>\n\n\n\n<p>D\u00f9 v\u1eady, \u0111\u00e2y v\u1eabn l\u00e0 m\u1ed9t chi\u1ebfc zoom APS-C c\u1ef1c k\u1ef3 \u0111\u00e1ng gi\u00e1 cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>hybrid shooter<\/li>\n\n\n\n<li>filmmaker<\/li>\n\n\n\n<li>photographer chuy\u00ean nghi\u1ec7p d\u00f9ng crop sensor<\/li>\n<\/ul>\n\n\n\n<p>v\u00e0 hi\u1ec7n g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 \u0111\u1ed1i th\u1ee7 tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n<p>N\u1ebfu mu\u1ed1n s\u1edf h\u1eefu Sigma 17-40mm f\/1.8 DC Art ch\u00ednh h\u00e3ng, h\u00e3y li\u00ean h\u1ec7 <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/songhongcamera.com?utm_source=chatgpt.com\">S\u00f4ng H\u1ed3ng Camera<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 h\u1ed7 tr\u1ee3 t\u1ed1t nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sigma 17-40mm f\/1.8 DC Art l\u00e0 phi\u00ean b\u1ea3n k\u1ebf nhi\u1ec7m c\u1ee7a chi\u1ebfc Sigma 18-35mm f\/1.8 huy\u1ec1n tho\u1ea1i \u2014 m\u1ed9t trong nh\u1eefng lens crop n\u1ed5i ti\u1ebfng nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c t\u1ea1o ra. Trong th\u1eddi \u0111\u1ea1i m\u00e0: th\u00ec Sigma l\u1ea1i tung ra m\u1ed9t chi\u1ebfc: v\u00e0 \u0111i\u1ec1u \u0111\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ef1c k\u1ef3 \u0111\u00e1ng ch\u00fa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7699,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,8,3],"tags":[65,61,48,68,184],"class_list":["post-7698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","category-danh-gia-san-pham","category-trai-nghiem-san-pham","tag-anh-nghe-thuat","tag-chup-anh","tag-lens","tag-may-anh","tag-nhiepanhvacongnghe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sigma 17-40mm f\/1.8 DC Art Review: Huy\u1ec1n tho\u1ea1i APS-C \u0111\u00e3 tr\u1edf l\u1ea1i - Nhi\u1ebfp \u1ea2nh V\u00e0 C\u00f4ng Ngh\u1ec7<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nhiepanhvacongnghe.com\/index.php\/2026\/05\/18\/sigma-17-40mm-f-1-8-dc-art-review-huyen-thoai-aps-c-da-tro-lai\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sigma 17-40mm f\/1.8 DC Art Review: Huy\u1ec1n tho\u1ea1i APS-C \u0111\u00e3 tr\u1edf l\u1ea1i - Nhi\u1ebfp \u1ea2nh V\u00e0 C\u00f4ng Ngh\u1ec7\" \/>\n<meta property=\"og:description\" content=\"Sigma 17-40mm f\/1.8 DC Art l\u00e0 phi\u00ean b\u1ea3n k\u1ebf nhi\u1ec7m c\u1ee7a chi\u1ebfc Sigma 18-35mm f\/1.8 huy\u1ec1n tho\u1ea1i \u2014 m\u1ed9t trong nh\u1eefng lens crop n\u1ed5i ti\u1ebfng nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c t\u1ea1o ra. 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