Leitz 14121 Ball Head lens mount_Mamiya 7 If you don't mind a

If you don't mind a bit of extra exercise when you're changing apertures

8fps continuous shooting for up to 50 RAW images

The E2 is a short extension tube (14mm) with a threaded plunger for lens stop-down control

but they wind into a proprietary Robot cartridge (included) as you shoot

It's a scale-focusing camera

Leitz 14121 Ball Head lens mount_Mamiya 7 If you don't mind aThis Leitz 14121 ball head is in decent cosmetic condition, with notable surface marks and scuffing not lovely. But function is good, with good locking action, a reversible tripod mounting base (to accommodate 1 4" or 3 8" fittings) and a 1 4" camera thread.