Manfrotto 055CXPRO3 lens mount_Fuji GFX The wide zoom range covers

The wide zoom range covers everything from wide angle to telephoto

so that's at least some help for the first issue

Standard 3/8" threaded fitting up top for head attachment

plus a case

and it might be worth the trouble

Manfrotto 055CXPRO3 lens mount_Fuji GFX The wide zoom range coversThe Manfrotto 055CXPRO3 is a carbon fibre midsize tripod from Manfrotto, with easy to use flip locks and a horizontally flippable centre column for copystand work. Extends to about 5 feet without centre column, just shy of 6 feet with. Accepts any head with a standard 3 8" thread. Light cosmetic paint and finish wear, good function.