Fujifilm X-A1 lens mount_Bronica SQ This sturdy leveling ball allows

This sturdy leveling ball allows you to level your equipment on uneven ground without fiddling with tripod legs

Use on an Ekakta bayonet camera

but that's kind of the point

as well as AI/AF bodies with a retractable AI coupling pin like the F3 and F4

Fujifilm X-A1 lens mount_Bronica SQ This sturdy leveling ball allowsThe Fujifilm X A1 is a compact X mount camera with a tilting screen and a 16mp sensor. Designed for pocketability, this camera still packs full manual controls and a pop up flash. In very good cosmetic condition, with minor surface wear. Compatible with Fujifilm X mount lenses (sold separately). Includes battery, charger, and instructions.