Custom Brackets GLM-1 Arca Plate brand_Vivitar Autofocus works with any camera

Autofocus works with any camera that has a built-in focusing motor

It features a grippy surface

This is a modern Voigtlander 15mm viewfinder

There's a standard 1/4" thread up top for head mounting (head is not included)

neither of which will affect imaging

Custom Brackets GLM-1 Arca Plate brand_Vivitar Autofocus works with any cameraThis is a long (6. 5", or 165mm) Arca compatible plate with a pair of securing screws. Not too useful for most cameras, but if you have a supertelephoto lens and you'd like to mount an Arca plate to its foot, this is the right tool for the job. Very thick and sturdy. Includes two 1 4" screws and one 3 8" screw.