Lens foot for Canon 100~400 CF-04 leofoto geared head offer a 3/8"-16 mounting screw

offer a 3/8"-16 mounting screw to which you can attach ball heads and other gear

The Leofoto VR-150L measures 10

It can also be used to narrow depth of field and increase background bokeh to better isolate the subject of an image

For 100mm K-Series Filter Holder

Lens foot for Canon 100~400 CF-04 leofoto geared head offer a 3/8"-16 mounting screwArca Type Compatible Replaces Lens' Original Foot Black Anodized 6061 T6 Aluminum QD Socket, Safety Stop Screws Aiming to improve on the default design, the Leofoto CF 04 is a replacement for the original foot supplied with the Canon EF 400mm f 2. 8L IS III USM, EF 600mm f 4L IS III USM, and EF 800mm f 5. 6L IS USM lenses. This aluminum support with built in Arca type dovetail mounts features both a 1 4" 20 and 3 8" 16 receivers as well as a QD (Quick