Really Right Stuff (RRS) B2-Pro Schnellwechsel-Klemme, Arca-Swiss-kompatibel
<a href="//commons.wikimedia.org/wiki/User:Lucasbosch" title="User:Lucasbosch">Lucasbosch</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>