| The "Arca-Swiss Style" Quick-Release Geometry The "Arca-Swiss  Style" Quick-Release Geometry refers to the open-cavity dovetail  quick-release system developed decades ago by Arca-Swiss for use with their  Monoball ball heads and large format cameras.  After the extreme popularity of the Arca-Swiss B-1 ball head in the  1990s, other companies began manufacturing custom camera-body and lens plates  using this geometry. Since then, this  geometry has become the industry standard for high-end tripod heads  (particularly in the nature photography industry). The figure below shows the basic dimensions  of the dovetail used in this system: |