{"id":702,"date":"2006-09-27T10:42:40","date_gmt":"2006-09-27T02:42:40","guid":{"rendered":"http:\/\/my.donews.com\/raptor\/2006\/09\/27\/full_frame\/"},"modified":"2010-02-08T10:51:22","modified_gmt":"2010-02-08T02:51:22","slug":"full_frame","status":"publish","type":"post","link":"https:\/\/photo.we8log.com\/blog\/archives\/702","title":{"rendered":"\u5168\u5e45\uff0c\u8fd8\u662f\u5168\u5e45"},"content":{"rendered":"<p>\u5f53\u7136\uff0c\u6211\u8fd9\u4e48\u8bf4\u5e76\u4e0d\u610f\u5473\u7740\u6211\u5c31\u8981\u51c6\u5907\u53bb\u8d25\u5168\u5e45\u673a\u2014\u2014\u76f8\u8d25\u9a6c\u514b\u5154\u4e5f\u6ca1\u90a3\u4e48\u591a\u94b1\u5440\uff0c\u4f55\u51b5\u90a3\u65f6\u5c31\u4f1a\u6709\u4e00\u5806\u7684L\u5934\u5728\u7b49\u7740\u4e86\u3002<\/p>\n<p>\u5176\u5b9e\u6211\u5199\u672c\u6587\u7684\u76ee\u7684\u53ea\u662f\u60f3\u628aAPS\u548c\u5168\u5e45\u4e4b\u95f4\u7684\u6069\u6028\u5168\u9762\u5730\u626f\u4e00\u4e0b\u3002<\/p>\n<p>APS \u662f\u4e2a\u6076\u9b54\uff0c\u8fd9\u4e00\u70b9\u6beb\u65e0\u7591\u95ee\u3002\u5728\u80f6\u7247\u65f6\u4ee3\uff0c\u8fd9\u79cd\u5c0f\u5e45\u9762\u7684\u80f6\u7247\u6ca1\u6709\u6253\u51fa\u5e02\u573a\u6765\uff0c\u4f46\u5728\u6570\u7801\u65f6\u4ee3\u5374\u610f\u5916\u5730\u8d70\u7ea2\u2014\u2014\u51ed\u501f\u7740\u4e0d\u5230\u5168\u5e45\u4e00\u534a\u7684\u9762\u79ef\uff08Nikon\u76841.5\u683c \u5f0f23.6 x 15.8 mm\u662f0.43\uff0cCanon\u76841.6\u683c\u5f0f22.2 x 14.8mm\u662f0.38\uff09\uff0c\u5927\u5927\u964d\u4f4e\u4e86\u6570\u7801\u5355\u53cd\u7684\u5236\u9020\u6210\u672c\u3002\u8fd9\u6210\u672c\u662f\u4e0b\u53bb\u4e86\uff0c\u9ebb\u70e6\u5374\u4e5f\u63a5\u7740\u5c31\u6765\u4e86\u3002<\/p>\n<p>\u76ee\u524d\u4e89\u8bba\u6700\u5927\u7684\u5c31\u662f\u4f20\u7edf\u80f6\u7247\u955c\u5934\u5728APS\u5e45\u9762\u4e0a\u5982\u4f55\u7b49\u6548\u7684\u95ee\u9898\u3002\u666e\u904d\u7684\u89c2\u70b9\u8ba4\u4e3a\uff0c\u628a\u7126\u8ddd\u4e58\u4e0a\u76f8\u5e94\u7684\u8f6c\u6362\u7cfb\u6570\u5c31\u662f\u4e86\u2014\u2014\u4f46\u662f\uff0c\u8fd9\u79cd\u89c2\u70b9\u662f\u5b8c\u5168\u9519\u8bef\u7684\uff01<\/p>\n<p>\u8bc4\u4ef7\u540c\u4e00\u652f\u955c\u5934\u5728\u4e24\u79cd\u5e45\u9762\u4e0b\u7684\u8868\u73b0\uff0c\u6211\u8ba4\u4e3a\u81f3\u5c11\u8981\u4ece\u4e09\u4e2a\u65b9\u9762\u8003\u8651\uff1a\u89c6\u89d2\u3001\u666f\u6df1\u548c\u900f\u89c6\u3002<\/p>\n<p>1\u3001\u89c6\u89d2\uff1a<\/p>\n<p>\u89c6\u89d2\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<img alt=\"angle_of_view.gif\" src=\"http:\/\/my.donews.com\/raptor\/files\/2006\/09\/angle_of_view.gif\" \/><\/p>\n<p>\u4ee5\u5bf9\u89d2\u7ebf\u89c6\u89d2\u4e3a\u4f8b\uff0c\u5176\u4e2dF\u4e3a\u80f6\u7247\u6216CCD\u5bf9\u89d2\u7ebf\u957f\u5ea6\uff0cf\u4e3a\u955c\u5934\u7126\u8ddd\u3002\u5047\u8bbe\u6570\u7801\u8f6c\u6362\u7cfb\u6570\u4e3ak\uff0c\u5219\u540c\u4e00\u652f\u955c\u5934\u5728APS\u4e0a\u7684\u89c6\u89d2\u4e0e\u5168\u5e45\u7684\u89c6\u89d2\u5173\u7cfb\u4e3a\u539f\u5f0f\u4e2d\u7684F\u6362\u6210\uff1aF\/k\uff0c\u7b49\u6548\u4e8eF\u4e0d\u53d8\uff0c\u800cf\u53d8\u4e3a\uff1af*k\u3002\u6240\u4ee5\u8fd9\u91cc\u53ef\u4ee5\u5bfc\u51fa\u4e00\u4e2a\u6b63\u6bd4\u7684\u5173\u7cfb\uff1a<\/p>\n<p><strong>\u5373\u7126\u8ddd\u4e3af\u7684\u955c\u5934\u5728APS\u5e45\u9762\u4e0a\u7684\u89c6\u89d2\u7b49\u540c\u4e8ef*k\u7126\u8ddd\u7684\u955c\u5934\u5728\u5168\u5e45\u4e0a\u7684\u89c6\u89d2<\/strong>\u3002<\/p>\n<p>\u5982\u4ee5Nikon\u7684k=1.5\uff08\u5b9e\u9645\u7ea6\u4e3a1.52\uff0c\u6b64\u5904\u4ee51.5\u8ba1\u7b97\uff09\u4e3a\u4f8b\uff1a<\/p>\n<table width=\"400\" cellspacing=\"1\" cellpadding=\"1\" border=\"1\">\n<tr>\n<td>\u7126\u8ddd<\/td>\n<td>35mm<\/td>\n<td>50mm<\/td>\n<td>105mm<\/td>\n<td>200mm<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u5e45\u89c6\u89d2<\/td>\n<td>63.44<\/td>\n<td>46.79<\/td>\n<td>23.28<\/td>\n<td>12.35<\/td>\n<\/tr>\n<tr>\n<td>APS\u89c6\u89d2<\/td>\n<td>44.79<\/td>\n<td>32.18<\/td>\n<td>15.64<\/td>\n<td>8.25<\/td>\n<\/tr>\n<tr>\n<td>APS\u7b49\u6548\u7126\u8ddd<\/td>\n<td>52.5mm<\/td>\n<td>75mm<\/td>\n<td>157.5mm<\/td>\n<td>300mm<\/td>\n<\/tr>\n<\/table>\n<p>\u6b63\u662f\u56e0\u4e3a\u6709\u8fd9\u6837\u7684\u5bf9\u5e94\u5173\u7cfb\u624d\u6709\u4e86\u524d\u9762\u8bf4\u7684\u90a3\u4e2a\u88ab\u666e\u904d\u8ba4\u540c\u4f46\u5374\u662f\u9519\u8bef\u7684\u89c2\u70b9\u3002\u539f\u56e0\u5c31\u5728\u4e8e\u63a5\u4e0b\u6765\u7684\u4e24\u70b9\uff1a<\/p>\n<p>2\u3001\u666f\u6df1\uff1a<\/p>\n<p>\u666f\u6df1\u7684\u8ba1\u7b97\u57fa\u4e8e\u51e0\u4e2a\u539f\u7406\uff0c\u5177\u4f53\u8bf7\u53c2\u8003\u76f8\u5173\u7684\u4e13\u95e8\u6587\u6863\u3002\u8fd9\u91cc\u6309Zeiss\u516c\u5f0f\u7684\u5b9a\u4e49\uff0cCoC\u76f4\u5f84\uff1a<\/p>\n<p>c=d\/1730\u2014\u2014\u5176\u4e2dd\u4e3a\u80f6\u7247\u6216CCD\u7684\u5bf9\u89d2\u7ebf\u957f\u5ea6\u3002<\/p>\n<p>\u518d\u5bfc\u51fa\u8d85\u7126\u8ddd\uff1a<\/p>\n<p>h=f^2\/(A*c)\u2014\u2014\u5176\u4e2df\u4e3a\u7126\u8ddd\uff0cA\u4e3a\u5149\u5708\u3002<\/p>\n<p>\u6700\u540e\u5f97\u51fa\u524d\u540e\u666f\u6df1\u8ddd\u79bb\u5206\u522b\u4e3a\uff1a<\/p>\n<p>Dn=hs\/(h+(s-f))<br \/>\nDf=hs\/(h-(s-f))<br \/>\n\u2014\u2014\u5176\u4e2ds\u4e3a\u76ee\u6807\u8ddd\u79bb\u3002<br \/>\n\u7531\u6b64\u53ef\u89c1\uff0c\u56e0\u4e3aAPS\u5e45\u9762\u7684\u5bf9\u89d2\u7ebf\u6bd4\u5168\u5e45\u5c0f\uff0c\u76f8\u5f53\u4e8e\uff1ad\/k\u3002\u5bfc\u51fa\uff1ac\/k\u3002\u518d\u5bfc\u51fa\uff1ah*k\u3002\u5373\uff1a<\/p>\n<p>\u540c\u4e00\u652f\u955c\u5934\u5728APS\u5e45\u9762\u4e0a\u7684\u8d85\u7126\u8ddd\u5c06\u6bd4\u5728\u5168\u5e45\u65f6\u8981\u8fdc\uff0c\u76f8\u5f53\u4e8e\u4e58\u4ee5\u7cfb\u6570k\u3002\u800c\u524d\u540e\u666f\u6df1\u7684\u5173\u7cfb\u4e0e\u76ee\u6807\u8ddd\u79bb\u6709\u5173\uff0c\u603b\u4f53\u4e0a\u7565\u5c0f\u4e8e\u5168\u5e45\u65f6\u524d\u540e\u666f\u6df1\u7684k\u500d\u3002<\/p>\n<p>\u4ecd\u7136\u4ee5Nikon\u4e3a\u4f8b\uff0c\u5728F8\u7684\u5149\u5708\u4e0b\u8ba1\u7b97\uff1a<\/p>\n<table width=\"400\" cellspacing=\"1\" cellpadding=\"1\" border=\"1\">\n<tr>\n<td>\u7126\u8ddd<\/td>\n<td>35mm<\/td>\n<td>50mm<\/td>\n<td>105mm<\/td>\n<td>200mm<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u5e45\u8d85\u7126\u8ddd<\/td>\n<td>6.12m<\/td>\n<td>12.50m<\/td>\n<td>55.10m<\/td>\n<td>199.92m<\/td>\n<\/tr>\n<tr>\n<td>APS\u8d85\u7126\u8ddd<\/td>\n<td>9.18m<\/td>\n<td>18.74m<\/td>\n<td>82.66m<\/td>\n<td>299.88m<\/td>\n<\/tr>\n<tr>\n<td>APS\u7b49\u6548\u7126\u8ddd<\/td>\n<td>42.87mm<\/td>\n<td>61.24mm<\/td>\n<td>128.60mm<\/td>\n<td>244.95mm<\/td>\n<\/tr>\n<\/table>\n<p>\u5176\u4e2d\u7684APS\u7b49\u6548\u7126\u8ddd\u53ea\u662f\u6309\u8d85\u7126\u8ddd\u6298\u7b97\u7684\uff0c\u76f8\u5f53\u4e8e\u5168\u5e45\u7126\u8ddd\u4e58\u4ee5k\u7684\u5e73\u65b9\u6839\u3002\u4f46\u662f\u7531\u4e8e\u524d\u540e\u666f\u6df1\u8fd8\u4e0e\u7126\u8ddd\u6709\u5173\uff0c\u6240\u4ee5\u5b9e\u9645\u4e0a\u7528\u7b49\u6548\u7126\u8ddd\u7684\u955c\u5934\u5728\u5168\u5e45\u4e0b\u7684\u8868\u73b0\u8fd8\u662f\u4e0d\u5b8c\u5168\u7b49\u540c\u4e8e\u539f\u7126\u8ddd\u5728APS\u4e0b\u7684\u60c5\u51b5\u3002\u5373\uff1a<\/p>\n<p><strong>\u4ece\u666f\u6df1\u4e0a\u8003\u8651\uff0c\u540c\u4e00\u652f\u955c\u5934\u5728\u4e0d\u540c\u5e45\u9762\u4e0a\u7684\u8868\u73b0\u57fa\u672c\u6ca1\u6709\u53ef\u6bd4\u6027<\/strong>\u3002<\/p>\n<p>3\u3001\u900f\u89c6\uff1a<\/p>\n<p>\u900f\u89c6\u8868\u73b0\u7684\u5c31\u662f\u6210\u50cf\u7684\u8fd1\u5927\u8fdc\u5c0f\u5173\u7cfb\u3002\u56e0\u4e3aAPS\u5e45\u9762\u53ea\u4e0d\u8fc7\u76f8\u5f53\u4e8e\u6309\u957f\u5ea6\u6bd4\u4f8b1\/k\uff0c\u4ece\u5168\u5e45\u4e2d\u88c1\u4e0b\u8fd9\u4e48\u4e00\u5757\u6765\uff0c\u5982\u679c\u4e0d\u8003\u8651\u666f\u6df1\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u8bf4\u4ece\u5168\u5e45\u4e0a\u88c1\u4e0b\u6765\u7684\u8fd9\u4e00\u5757\u8ddfAPS\u5e45\u9762\u62cd\u5f97\u7684\u662f\u5b8c\u5168\u4e00\u6837\u7684\u3002\u5373\uff1a<\/p>\n<p><strong>\u4ece\u900f\u89c6\u4e0a\u770b\uff0c\u540c\u4e00\u652f\u955c\u5934\u5728\u4e0d\u540c\u5e45\u9762\u4e0a\u7684\u8868\u73b0\u662f\u4e00\u6837\u7684<\/strong>\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u8fd9\u65f6\u5e45\u9762\u7684\u5f71\u54cd\u5c31\u53ea\u5269\u4e0b\u4e00\u4e2a\u5c3a\u5bf8\u5927\u5c0f\u7684\u5173\u7cfb\uff1a\u5728\u5168\u5e45\u91cc\u7684\u534a\u8eab\u50cf\u5230\u4e86APS\u4e0a\u5c31\u53d8\u6210\u5927\u5934\u50cf\u4e86\u3002^O^<\/p>\n<p>\u7ed3\u8bba\u662f\uff1a\u5168\u5e45\u955c\u5934\u5728APS\u5e45\u9762\u4e0a\u7684\u8868\u73b0\u4e0e\u5168\u5e45\u4e0b\u7684\u8868\u73b0\u5b8c\u5168\u6ca1\u6709\u53ef\u6bd4\u6027\uff01<\/p>\n<p>\u6b63\u56e0\u4e3a\u7528\u4e86APS\u4ee5\u540e\u6709\u8fd9\u4e48\u591a\u9ebb\u70e6\u7684\u95ee\u9898\uff0c\u800c\u5168\u5e45\u5c31\u6ca1\u6709\u8fd9\u4e9b\u70e6\u4eba\u7684\u4e8b\u60c5\uff0c\u518d\u52a0\u4e0a\u5168\u5e45\u5728\u5e7f\u89d2\u4e0a\u7684\u4f18\u52bf\u2014\u2014\u4ece\u524d\u9762\u89c6\u89d2\u4e00\u6bb5\u53ef\u4ee5\u770b\u5230\uff0c\u7cfb\u6570k\u5bfc\u81f4\u7684\u5728\u5e7f\u89d2\u7aef\u7684\u89c6\u89d2\u635f\u5931\u8fdc\u5927\u4e8e\u5728\u957f\u7126\u7aef\u5360\u5230\u7684\u4fbf\u5b9c\uff0cAPS\u660e\u663e\u662f\u5f97\u4e0d\u507f\u5931\u3002<\/p>\n<p>\u6240\u4ee5\u8bf4\uff1a\u5168\u5e45\uff0c\u8fd8\u662f\u5168\u5e45\u3002\u4e70\u4e0d\u8d77\u5168\u5e45\u5076\u5c31\u8fdb\u80f6\u7247\u673a\u2014\u2014\u4e0b\u4e2a\u76ee\u6807\u662fF801S\uff08\u56e0\u4e3aF80\u8fd9\u4e48\u7ecf\u5178\u7684\u673a\u5668\u5c45\u7136\u4e0d\u652f\u6301\u624b\u52a8\u5934\u6d4b\u5149\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u7136\uff0c\u6211\u8fd9\u4e48\u8bf4\u5e76\u4e0d\u610f\u5473\u7740\u6211\u5c31\u8981\u51c6\u5907\u53bb\u8d25\u5168\u5e45\u673a\u2014\u2014\u76f8\u8d25\u9a6c\u514b\u5154\u4e5f\u6ca1\u90a3\u4e48\u591a\u94b1\u5440\uff0c\u4f55\u51b5\u90a3 &hellip; <a href=\"https:\/\/photo.we8log.com\/blog\/archives\/702\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[],"_links":{"self":[{"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/posts\/702"}],"collection":[{"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/comments?post=702"}],"version-history":[{"count":1,"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/posts\/702\/revisions"}],"predecessor-version":[{"id":875,"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/posts\/702\/revisions\/875"}],"wp:attachment":[{"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/media?parent=702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/categories?post=702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/photo.we8log.com\/blog\/wp-json\/wp\/v2\/tags?post=702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}