3，尼埃普斯和达盖尔摄影术

<p style="font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;font-weight:normal;text-align:justify;" data-flag="normal">&nbsp;尼埃普斯拍出了世界上第一张照片，达盖尔与尼埃普斯合作，最终在1839年，达盖尔摄影术诞生。</p><span><br /></span><p style="font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;color:#333333;font-weight:normal;text-align:justify;" data-flag="normal"><img data-key="0" src="http://image.xmcdn.com/group78/M08/50/32/wKgO4F5MkOHD7YExAALCScaA554197.jpg?op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" alt="" data-origin="http://image.xmcdn.com/group78/M08/50/32/wKgO4F5MkOHD7YExAALCScaA554197.jpg?op_type=0" data-large="http://image.xmcdn.com/group78/M08/50/32/wKgO4F5MkOHD7YExAALCScaA554197.jpg?op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" data-large-width="750" data-large-height="932" data-preview="http://image.xmcdn.com/group78/M08/50/32/wKgO4F5MkOHD7YExAALCScaA554197.jpg?op_type=4&amp;device_type=ios&amp;upl...