<http://schema.org/description>
"\u4E00\u8D77\u4F86\u770B\u770B\u9ED1\u8272 Petzval \u93E1\u982D\u7684\u6A23\u54C1\uFF0C\u4EE5\u53CA\u5BE6\u62CD\u7684\u65CB\u8F49\u6563\u666F\u7167\u7247\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.lomography.tw/magazine/250669-the-black-petzval-lens-preview-and-fresh-new-photos-tw>