{"id":30119,"date":"2021-12-27T10:00:00","date_gmt":"2021-12-27T02:00:00","guid":{"rendered":"https:\/\/zunzheng.com\/news\/?p=30119"},"modified":"2021-12-26T23:36:28","modified_gmt":"2021-12-26T15:36:28","slug":"a-z%e7%94%b5%e5%bd%b1%e8%8b%b1%e8%af%ad%e7%a7%91%e6%99%ae%e5%b0%8f%e8%af%be%e5%a0%82%ef%bc%9adepth-of-focus","status":"publish","type":"post","link":"https:\/\/zunzheng.com\/news\/archives\/30119","title":{"rendered":"A-Z\u7535\u5f71\u82f1\u8bed\u79d1\u666e\u5c0f\u8bfe\u5802\uff1aDepth of Focus"},"content":{"rendered":"\n<p>\u8bf4\u5230\u7535\u5f71\uff0c\u201c\u597d\u83b1\u575e\u201d\u662f\u666e\u7f57\u5927\u4f17\u6700\u5bb9\u6613\u8054\u60f3\u5230\u7684\u4ee3\u540d\u8bcd\u3002\u5bf9\u4e8e\u7535\u5f71\u5236\u4f5c\u8005\u800c\u8a00\uff0c\u8c01\u8fd8\u6ca1\u6709\u4e2a\u5c0f\u5c0f\u7684\u201c\u597d\u83b1\u575e\u68a6\u201d\u5462\u3002\u5706\u68a6\u7b2c\u4e00\u6b65\uff0c\u201ctalk the talk\u201d\uff0c\u81f3\u5c11\u5728\u8bed\u8a00\u4e0a\u8981\u7406\u89e3\u5176\u4e2d\u7684\u201c\u95e8\u9053\u201d\u3002\u901a\u8fc7\u8fd9\u4e2aA-Z\u7535\u5f71\u82f1\u8bed\u79d1\u666e\u5c0f\u8bfe\u5802\uff0c\u6211\u4eec\u4e0d\u4ec5\u80fd\u4e00\u77f3\u4e8c\u9e1f\u5730\u638c\u63e1\u7535\u5f71\u5c0f\u77e5\u8bc6\uff0c\u8fd8\u80fd\u5b66\u4e60\u7535\u5f71\u82f1\u8bed\uff01<\/p>\n\n\n\n<p><strong>Depth of Focus<\/strong><\/p>\n\n\n\n<p><strong>\u7126\u6df1<\/strong><\/p>\n\n\n\n<p>\u7126\u6df1\uff0c\u5373\u7126\u70b9\u6df1\u5ea6\u7684\u7b80\u79f0\u3002\u5b83\u662f\u4e00\u79cd\u955c\u5934\u5149\u5b66\u6982\u5ff5\uff0c\u4f46\u4eba\u4eec\u65f6\u5e38\u5c06\u5176\u4e0e\u201c<a href=\"https:\/\/zunzheng.com\/news\/archives\/29969\"><span class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>\u666f\u6df1<\/strong><\/span><\/a>\u201d\u6982\u5ff5\u76f8\u6df7\u6dc6\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u5149\u5b66\u73b0\u8c61\u662f\u8fd9\u6837\u7684\uff1a\u5f53\u955c\u5934\u5bf9\u7126\u8fdb\u884c\u62cd\u6444\u65f6\uff0c\u53ef\u4ee5\u5728\u5e95\u7247\u6e05\u6670\u6210\u50cf\uff0c\u800c\u8fd9\u79cd\u6e05\u6670\u6210\u50cf\u9664\u4e86\u5728\u7126\u70b9\u4f4d\u7f6e\u4e0a\u53ef\u4ee5\u5b9e\u73b0\uff0c\u8fd8\u4f1a\u5728\u7126\u70b9\u524d\u540e\u7684\u4e00\u6bb5\u8ddd\u79bb\u5185\u5728\u5e95\u7247\u4e0a\u4ecd\u7136\u4fdd\u6301\u6e05\u6670\u5ea6\u3002\u5f53\u6210\u50cf\u79bb\u7126\u70b9\u8d8a\u8fdc\u65f6\uff0c\u5149\u7ebf\u4fbf\u5f00\u59cb\u6269\u6563\uff0c\u6269\u6563\u5230\u4e00\u5b9a\u7a0b\u5ea6\uff0c\u5f71\u50cf\u5c31\u4f1a\u6a21\u7cca\uff0c\u800c\u8fd9\u4e2a\u6269\u6563\u800c\u6210\u7684\u5706\uff0c\u5c31\u662f\u5f25\u6563\u5706\uff08circle of confusion\uff09\u3002\u5728\u7126\u70b9\u524d\u540e\u8f83\u77ed\u7684\u8ddd\u79bb\u5185\uff0c\u6210\u50cf\u90fd\u8f83\u4e3a\u6e05\u6670\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728\u77ed\u8ddd\u79bb\u5185\u7684\u5f25\u6563\u5706\u76f4\u5f84\u5c0f\u5230\u4eba\u773c\u5728\u5e95\u7247\u4e0a\u65e0\u6cd5\u8bc6\u522b\u51fa\u56fe\u50cf\u662f\u5426\u6a21\u7cca\u3002\u7126\u6df1\uff0c\u5373\u7126\u70b9\u524d\u540e\u4eba\u773c\u8fd8\u80fd\u8bc6\u522b\u4e3a\u6e05\u6670\u6210\u50cf\u7684\u5f25\u6563\u5706\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"772\" height=\"396\" src=\"https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-152.jpeg\" alt=\"\" class=\"wp-image-30121\" srcset=\"https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-152.jpeg 772w, https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-152-300x154.jpeg 300w, https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-152-768x394.jpeg 768w\" sizes=\"(max-width: 772px) 100vw, 772px\" \/><\/figure><\/div>\n\n\n\n<p>\u7126\u6df1\u4e0e\u666f\u6df1\u672c\u8d28\u4e0a\u76f8\u7edf\u4e00\uff0c\u4f46\u5bf9\u5e94\u7684\u50cf\u5e73\u9762\u4e0d\u540c\uff0c\u7126\u6df1\u5bf9\u5e94\u7684\u662f\u6444\u5f71\u673a\u955c\u5934\u4e0e\u80f6\u7247\u6216\u4f20\u611f\u5668\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u8ba1\u7b97\u7126\u6df1\u53ef\u4ee5\u8ba9\u6444\u5f71\u5e08\u6216\u6444\u5f71\u673a\u5236\u9020\u8bbe\u8ba1\u5e08\u6e05\u695a\u4e86\u89e3\u7126\u70b9\u50cf\u9762\u5728\u4ec0\u4e48\u8303\u56f4\u5185\u53d8\u5316\u4e0d\u4f1a\u964d\u4f4e\u56fe\u50cf\u6e05\u6670\u5ea6\u3002\u7126\u6df1\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"has-text-align-center\">t = 2Nc(v\/f)<\/p>\n\n\n\n<p class=\"has-text-align-center\">t\u4e3a\u603b\u7126\u6df1\uff0cN\u4e3a\u955c\u5934\u5149\u5708f-stop\u6570\u503c\uff0cc\u4e3a\u5f25\u6563\u5706\uff0cv\u4e3a\u50cf\u8ddd\uff0cf\u4e3a\u955c\u5934\u7126\u8ddd<\/p>\n\n\n\n<p>\u4e00\u822c\u5728\u8003\u8651\u662f\u5426\u9700\u8981\u5728\u6444\u5f71\u673a\u955c\u5934\u548c\u4f20\u611f\u5668\u4e4b\u95f4\u52a0\u6ee4\u955c\u65f6\uff0c\u624d\u9700\u8981\u8ba1\u7b97\u7126\u6df1\u3002\u8fc7\u53bb\uff0c\u5c24\u5176\u662f\u4f7f\u7528\u5f25\u6563\u5706\u5c0f\u7684\u5c0f\u683c\u5f0f\u76f8\u673a\u7684\u5355\u53cd\u6444\u5f71\u5e08\u7279\u522b\u9700\u8981\u8003\u8651\u7126\u6df1\u8ba1\u7b97\u3002\u73b0\u5982\u4eca\uff0c\u6570\u7801\u5355\u53cd\u57fa\u672c\u4e0a\u81ea\u52a8\u5904\u7406\u4e86\u6ee4\u955c\u95ee\u9898\u3002\u6d88\u8d39\u7ea7\u53ef\u62c6\u5378\u955c\u5934\u81ea\u5e26\u9884\u88c5\u7684\u6ee4\u955c\uff0c\u7528\u6237\u4e5f\u65e0\u987b\u5148\u8ba1\u7b97\u7126\u6df1\u518d\u4f7f\u7528\u955c\u5934\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/zunzheng.com\/news\/?s=A-Z%E7%94%B5%E5%BD%B1%E8%8B%B1%E8%AF%AD%E7%A7%91%E6%99%AE%E5%B0%8F%E8%AF%BE%E5%A0%82\"><img decoding=\"async\" width=\"1024\" height=\"181\" src=\"https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-54.png\" alt=\"\" class=\"wp-image-30122\" srcset=\"https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-54.png 1024w, https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-54-300x53.png 300w, https:\/\/zunzheng.com\/news\/wp-content\/uploads\/2021\/12\/word-image-54-768x136.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><a href=\"https:\/\/zunzheng.com\/news\/?s=A-Z%E7%94%B5%E5%BD%B1%E8%8B%B1%E8%AF%AD%E7%A7%91%E6%99%AE%E5%B0%8F%E8%AF%BE%E5%A0%82\"><strong><\/strong><\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7126\u6df1\uff0c\u5373\u7126\u70b9\u6df1\u5ea6\u7684\u7b80\u79f0\uff0c\u662f\u4e00\u79cd\u955c\u5934\u5149\u5b66\u6982\u5ff5<\/p>\n","protected":false},"author":1,"featured_media":30120,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4815],"tags":[4460,4816],"class_list":["post-30119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4815","tag-4460","tag-4816"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A-Z\u7535\u5f71\u82f1\u8bed\u79d1\u666e\u5c0f\u8bfe\u5802\uff1aDepth of Focus - \u5c0a\u6b63\u8d44\u8baf<\/title>\n<meta name=\"robots\" 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