{"id":5741,"date":"2020-01-13T16:13:31","date_gmt":"2020-01-13T08:13:31","guid":{"rendered":"https:\/\/luvecg.cn\/?p=5741"},"modified":"2020-01-13T16:13:38","modified_gmt":"2020-01-13T08:13:38","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%bb%b6%e9%95%bf%e7%ae%a1%e8%bf%9b%e8%a1%8c%e8%bf%91%e6%91%84","status":"publish","type":"post","link":"https:\/\/picvlog.com\/?p=5741","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u5ef6\u957f\u7ba1\u8fdb\u884c\u8fd1\u6444"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn-ep19.pressidium.com\/wp-content\/uploads\/2018\/11\/extension-tubes-8.jpg\" alt=\"\u5355\u53cd\u76f8\u673a\u548c\u5ef6\u957f\u7ba1\u5957\u4ef6\" class=\"wp-image-47105\" title=\"%title\u63d2\u56fe%num\" \/><\/figure><\/div>\n\n\n\n<p>\u5f53\u60a8\u6253\u7b97\u8fd1\u8ddd\u79bb\u62cd\u6444\u5bf9\u8c61\u65f6\uff0c\u5fae\u8ddd\u955c\u5934\u662f\u7406\u60f3\u7684\u9009\u62e9\u3002\u4f46\u662f\u5927\u591a\u6570\u955c\u5934\u65e0\u6cd5\u8ba9\u60a8\u805a\u7126\u5f97\u8db3\u591f\u8fd1\uff0c\u65e0\u6cd5\u5b9e\u73b0\u4e0e\u5b9e\u7269\u5927\u5c0f\u4e00\u6837\u76841\uff1a1\u653e\u5927\u500d\u7387\u3002\u4f46\u662f\uff0c\u5982\u4f55\u5728\u4e0d\u8d2d\u4e70\u4e13\u7528\u5fae\u8ddd\u955c\u5934\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u5462\uff1f\u6216\u8005\uff0c\u5982\u679c\u60a8\u5e0c\u671b\u5fae\u8ddd\u955c\u5934\u805a\u7126\u5f97\u66f4\u8fd1\u4e9b\u5462\uff1f<br>\u8fd9\u662f\u5ef6\u957f\u7ba1\u8d77\u4f5c\u7528\u7684\u5730\u65b9\u3002\u5b83\u4eec\u5e7f\u6cdb\u6269\u5c55\u4e86\u8fd1\u8ddd\u5bf9\u7126\u6781\u9650\uff0c\u4ece\u800c\u53ef\u4ee5\u8fdb\u884c\u5fae\u8ddd\u548c\u8fd1\u6444\u3002<br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u5ef6\u957f\u7ba1\uff1f<\/h2>\n\n\n\n<p>\u955c\u5934\u79bb\u4f20\u611f\u5668\u8d8a\u8fdc\uff0c\u955c\u5934\u5bf9\u7126\u8d8a\u8fd1\u3002\u5bf9\u4e8e\u5fae\u8ddd\u6444\u5f71\uff0c\u60a8\u9700\u8981\u4ed4\u7ec6\u5bf9\u7126\u3002<\/p>\n\n\n\n<p>\u955c\u5934\u5ef6\u957f\u7ba1\u53ef\u6269\u5927\u955c\u5934\u7684\u500d\u7387\u3002\u5b83\u4eec\u4e3a\u6784\u5efa\u5fae\u8ddd\u6444\u5f71\u5957\u4ef6\u63d0\u4f9b\u4e86\u5ec9\u4ef7\u800c\u6709\u6548\u7684\u8d77\u70b9\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u7ba1\u5b50\u5b89\u88c5\u5728\u76f8\u673a\u673a\u8eab\u548c\u955c\u5934\u4e4b\u95f4\u3002\u5b83\u4eec\u50cf\u666e\u901a\u955c\u5934\u4e00\u6837\u626d\u66f2\u5728\u60a8\u7684\u76f8\u673a\u4e0a\uff0c\u7136\u540e\u955c\u5934\u9644\u7740\u5728\u5176\u524d\u9762\u3002<\/p>\n\n\n\n<p>\u4ece\u6280\u672f\u4e0a\u8bb2\uff0c\u5b83\u4eec\u5728\u4fdd\u6301\u5b54\u5f84\u76f4\u5f84\u548c\u6700\u5c0f\u7126\u8ddd\u4e0d\u53d8\u7684\u540c\u65f6\u589e\u52a0\u4e86\u7126\u8ddd\u3002<\/p>\n\n\n\n<p>\u5b83\u4eec\u4f7f\u60a8\u7684\u955c\u5934\u805a\u7126\u66f4\u8fd1\uff0c\u56e0\u4e3a\u805a\u7126\u5143\u4ef6\u5c06\u8ddd\u79bb\u4f20\u611f\u5668\u66f4\u8fdc\u3002\u56e0\u6b64\uff0c\u653e\u5927\u7387\u4f1a\u589e\u52a0\uff0c\u76f4\u5230\u5728\u6700\u5c0f\u805a\u7126\u8ddd\u79bb\uff08MFD\uff09\u8fbe\u5230\u6781\u9650\u4e3a\u6b62\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn-ep19.pressidium.com\/wp-content\/uploads\/2018\/11\/extension-tubes-9.jpg\" alt=\"\u7528\u4e8e\u5fae\u8ddd\u548c\u7279\u5199\u955c\u5934\u7684\u52a0\u957f\u7ba1\" class=\"wp-image-47106\" title=\"%title\u63d2\u56fe%num\" \/><\/figure><\/div>\n\n\n\n<p>\u4f46\u662f\u653e\u5927\u500d\u6570\u5230\u5e95\u662f\u4ec0\u4e48\uff1f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u653e\u5927<\/h2>\n\n\n\n<p>\u653e\u5927\u7387\u662f\u5bf9\u8c61\u7684\u5b9e\u9645\u5927\u5c0f\u4e0e\u6295\u5c04\u5230\u4f20\u611f\u5668\u4e0a\u7684\u5927\u5c0f\u4e4b\u6bd4\u3002\u955c\u5934\u7684\u6700\u5927\u653e\u5927\u500d\u7387\u5728\u6700\u63a5\u8fd1\u7684\u5bf9\u7126\u8ddd\u79bb\u5904\u8fbe\u5230\u3002<\/p>\n\n\n\n<p>\u5927\u591a\u6570\u975e\u5fae\u8ddd\u955c\u5934\u7684\u6700\u5927\u653e\u5927\u500d\u7387\u57281\uff1a8\uff080.12x\uff09\u548c1\uff1a3\uff080.33x\uff09\u4e4b\u95f4\u3002\u5bf9\u4e8e\u8fd1\u8ddd\u79bb\u4eba\u50cf\u62cd\u6444\u6216\u4ea7\u54c1\u6444\u5f71\u800c\u8a00\uff0c\u8fd9\u5df2\u8db3\u591f\uff0c\u4f46\u5bf9\u4e8e\u5fae\u8ddd\u62cd\u6444\u800c\u8a00\uff0c\u8fd9\u8fd8\u4e0d\u591f\u3002<\/p>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u5ef6\u957f\u7ba1\u6765\u51cf\u5c0f\u805a\u7126\u8ddd\u79bb\uff0c\u4ece\u800c\u589e\u52a0\u500d\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u4f55\u8ba1\u7b97\u500d\u7387<\/h3>\n\n\n\n<p>\u4ece\u4e00\u822c\u653e\u5927\u500d\u6570\u6d3e\u751f\u800c\u6765\uff0c\u8fd9\u662f\u6dfb\u52a0\u6269\u5c55\u7ba1\u65f6\u8ba1\u7b97\u500d\u7387\u7684\u4e00\u79cd\u5feb\u901f\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p><em>\u6269\u5c55\u500d\u7387=<br>\u539f\u59cb\u500d\u7387[0.x\u5f62\u5f0f] +\uff08\u6269\u5c55\u7ba1\u957f\u5ea6\/\u955c\u5934\u7126\u8ddd\uff09\u3002<\/em><\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u770b\u6211\u4eec\u6700\u559c\u6b22\u7684\u5fae\u8ddd\u6444\u5f71\u955c\u5934\uff1a\u4f73\u80fd100mm f \/ 2.8 L IS\u3002\u8be5\u955c\u5934\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ef\u4ee51\uff1a1\u653e\u5927\uff0c\u4f46\u662f\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528\u5957\u7b52\u5c06\u5176\u653e\u5927\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u559c\u6b22\u5b83\uff0c\u7279\u522b\u662f\u56e0\u4e3a\u5b83\u7684\u5706\u5f62100\u6beb\u7c73\u7126\u8ddd\u975e\u5e38\u5bb9\u6613\u8ba1\u7b97\u653e\u5927\u500d\u6570\u3002<\/p>\n\n\n\n<p>\u5728\u4e0b\u9762\uff0c\u60a8\u53ef\u4ee5\u770b\u523025mm\u548c12mm\u7684\u5ef6\u957f\u7ba1\u5806\u53e0\u5e76\u653e\u7f6e\u5728\u76f8\u673a\u548c\u955c\u5934\u4e4b\u95f4\u3002\u60a8\u53ef\u4ee5\u7b80\u5355\u5730\u5c06\u5b83\u4eec\u52a0\u8d77\u6765\uff0c\u56e0\u6b64\u603b\u957f\u5ea6\u4e3a37\u6beb\u7c73\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u5c06\u6211\u4eec\u77e5\u9053\u7684\u503c\u66ff\u6362\u4e3a\u516c\u5f0f\uff1a<\/p>\n\n\n\n<p><em>M = 1.00 +\uff0837\u6beb\u7c73\/ 100\u6beb\u7c73\uff09= 1.37<\/em><\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7684\u65b0\u653e\u5927\u500d\u7387\u4e3a1.37&nbsp;<strong>\u500d<\/strong>\uff08\u5982\u679c\u60a8\u66f4\u559c\u6b22\u8be5\u5f62\u5f0f\uff0c\u5219\u4e3a1.37\uff1a1\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn-ep19.pressidium.com\/wp-content\/uploads\/2018\/12\/extension-tube-37-and-100l.jpg\" alt=\"\u5e26\u6709\u5ef6\u957f\u7ba1\u7684\u4f73\u80fd\u76f8\u673a\u7684\u7167\u7247\" class=\"wp-image-223034\" title=\"%title\u63d2\u56fe%num\" \/><figcaption>\u6211\u4eec\u7684\u4f73\u80fd100mm\u5fae\u8ddd\u955c\u5934\uff0c\u5e2625mm\u548c12mm\u5ef6\u957f\u7ba1<\/figcaption><\/figure>\n\n\n\n<p>\u73b0\u5728\uff0c\u5982\u679c\u6211\u4eec\u5c06\u90a3\u4e9b\u76f8\u540c\u7684\u5ef6\u957f\u7ba1\u6dfb\u52a0\u5230180mm\u5fae\u8ddd\u955c\u5934\uff08\u4e5f\u4e3a1\uff1a1\uff09\u4e0a\uff0c\u60c5\u51b5\u5c06\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n<p><em>M = 1.00 +\uff0837\u6beb\u7c73\/ 180\u6beb\u7c73\uff09= 1.21<\/em><\/p>\n\n\n\n<p>\u5982\u60a8\u6240\u89c1\uff0c\u8be5\u6bd4\u7387\u73b0\u5728\u4ec5\u4e3a1.21\u500d\u3002\u56e0\u6b64\uff0c\u5f97\u51fa\u7684\u7ed3\u8bba\u662f\uff1a\u955c\u5934\u8d8a\u77ed\uff0c\u5ef6\u957f\u7ba1\u7684\u5dee\u5f02\u5c31\u8d8a\u5927\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u5c06\u8fd9\u4e9b\u955c\u7b52\u6dfb\u52a0\u5230\u4e00\u4e2a50mm\u7684\u955c\u5934\u4e0a\uff0c\u8be5\u955c\u5934\u7684\u653e\u5927\u500d\u6570\u4e3a0.25\u500d\u3002\u60a8\u53ef\u80fd\u4f1a\u5728\u81ea\u5df1\u7684\u5957\u4ef6\u4e2d\u88c5\u6709\u8fd9\u79cd\u955c\u5934\u3002<\/p>\n\n\n\n<p><em>M = 0.25 +\uff0837\u6beb\u7c73\/ 50mm\uff09\u7684= 0.25 + 0.74 = 0.99\u2248&nbsp;<strong>1<\/strong><\/em><\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u60a8\u521a\u521a\u4f7f\u7528\u666e\u901a\u768450mm\u955c\u5934\u521b\u5efa\u4e861\uff1a1\u6bd4\u4f8b\u7684\u5fae\u8ddd\u955c\u5934\u3002\u5bb9\u6613\u5427\uff1f<\/p>\n\n\n\n<p>\u516c\u5e73\u5730\u8bf4\uff0c\u8fd9\u4e2a\u6570\u5b66\u6709\u70b9\u7b80\u5316\u3002\u7531\u4e8e\u8be5\u516c\u5f0f\u6700\u521d\u4e0e\u5355\u4e2a\u8584\u955c\u7247\u6709\u5173\uff0c\u56e0\u6b64\u53ef\u80fd\u4f1a\u53d1\u751f\u4e00\u4e9b\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u6839\u636eShutter Muse\u8fdb\u884c\u7684\u5b9e\u9645\u6d4b\u8bd5\uff0c\u8fd9\u4e9b\u53d8\u5316\u53ef\u80fd\u4f1a\u8fbe\u523025\uff05\u81f330\uff05\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u590d\u6742\u7684\u53d8\u7126\u955c\u5934\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u8981\u5b8c\u5168\u786e\u4fdd\u5b8f\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u60a8\u5e94\u8be5\u8fdb\u884c\u81ea\u5df1\u7684\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u4f7f\u7528\u5ef6\u957f\u7ba1<\/h2>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u5f97\u5230\u4e24\u79cd\u7c7b\u578b\u7684\u5ef6\u957f\u7ba1\u3002\u6ca1\u6709\u7535\u89e6\u70b9\u7684\u4fbf\u5b9c\u4e9b\uff0c\u6709\u4f20\u8f93\u7535\u5b50\u4fe1\u53f7\u7684\u66f4\u9ad8\u7ea7\u7684\u4fbf\u5b9c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u65e0\u7535\u63a5\u70b9\u7684\u5ef6\u957f\u7ba1<\/h3>\n\n\n\n<p>\u8fd9\u4e9b\u5f88\u4fbf\u5b9c\u3002\u4f4e\u4ef7\u5f53\u7136\u610f\u5473\u7740\u53ef\u80fd\u6027\u6709\u9650\uff0c\u4f46\u5bf9\u4e8e\u67d0\u4e9b\u60c5\u51b5\u6765\u8bf4\u5df2\u7ecf\u8db3\u591f\u4e86\u3002<\/p>\n\n\n\n<p>\u4ed6\u4eec\u7f3a\u5c11\u4e0e\u76f8\u673a\u7684\u7535\u63a5\u89e6\u3002\u901a\u5e38\uff0c\u8fd9\u610f\u5473\u7740\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u60a8\u65e0\u6cd5\u81ea\u52a8\u5bf9\u7126<\/li><li>\u60a8\u65e0\u6cd5\u8bbe\u7f6e\u5149\u5708<\/li><li>\u955c\u5934\u5143\u6570\u636e\u672a\u4f20\u8f93<\/li><li>\u76f8\u673a\u65e0\u6cd5\u8bc6\u522b\u955c\u5934<\/li><\/ul>\n\n\n\n<p>\u4f7f\u7528\u7ebf\u63a7\u5bf9\u7126\u955c\u5934\uff08\u5982\u4f73\u80fdSTM\u955c\u5934\uff09\uff0c\u60a8\u751a\u81f3\u65e0\u6cd5\u624b\u52a8\u5bf9\u7126\u3002\u5982\u679c\u60a8\u6709\u8fd9\u6837\u7684\u955c\u5934\uff0c\u5219\u9700\u8981\u83b7\u5f97\u4e0d\u540c\u7684\u5ef6\u957f\u7ba1\u3002<\/p>\n\n\n\n<p>\u6709\u73b0\u4ee3\u955c\u5934\u53ef\u4ee5\u8ba9\u60a8\u7528\u73af\u624b\u52a8\u8bbe\u7f6e\u5149\u5708\u3002\u4f8b\u5982\uff0c\u5176\u4e2d\u5305\u62ec\u5168\u65b0\u7684Sigma 35mm f \/ 1.2 Art\u3002\u5bf9\u4e8e\u8fd9\u79cd\u900f\u955c\uff0c\u975e\u7535\u6c14\u5ef6\u957f\u7ba1\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u975e\u7535\u52a8\u5ef6\u957f\u7ba1\u6700\u597d\u4e0e\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5b8c\u5168\u624b\u52a8\u7684\u955c\u5934\u914d\u5408\u4f7f\u7528\u3002\u8001\u5f0f\u955c\u5934\uff08\u4f8b\u5982Helios 44-2\uff09\u4e0e\u5ef6\u957f\u7ba1\u76f8\u7ed3\u5408\uff0c\u53ef\u4e3a\u60a8\u7684\u56fe\u50cf\u63d0\u4f9b\u72ec\u7279\u7684\u5916\u89c2\u3002\u5b83\u4eec\u4e5f\u975e\u5e38\u5177\u6709\u6210\u672c\u6548\u76ca\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn-ep19.pressidium.com\/wp-content\/uploads\/2018\/11\/extension-tubes-10.jpg\" alt=\"\u7528\u4e8e\u5fae\u8ddd\u6444\u5f71\u7684\u5ef6\u957f\u7ba1 \" class=\"wp-image-47107\" title=\"%title\u63d2\u56fe%num\" 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