Up to now, many supplemental devices have made their appearance in the straggle of adding Arca-Swiss compatibility to the collar feet of long telephoto lenses. We have seen simple rails with arca dovetail, evolving into Lens Plates with stop bars, further evolving into Lens Replacement Feet for better integration.
Some of these combined with longer rails and vertical brackets, came to stabilize longer super telephoto lenses forming Long Lens Support Brackets.
