<https://rangefinderforum.com/threads/thinking-of-selling-the-w-nikkor-35-1-8-from-the-05-sp-stupid.4814021/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://rangefinderforum.com/threads/thinking-of-selling-the-w-nikkor-35-1-8-from-the-05-sp-stupid.4814021/page-2>