Metabones Nikon F -> Micro Four Thirds Speed Booster  type_Batteries but the leather covering is

but the leather covering is generally quite good

It just barely makes the (as of this date) permitted 9x22x14" carry-on size for international travel

The head provides smooth

though its load capacity will depend on your head's specs

Metabones Nikon F -> Micro Four Thirds Speed Booster &nbsptype_Batteries but the leather covering isThis Metabones Speed Booster lets you mount Nikon F lenses to a Micro Four Thirds camera, while also giving you an extra stop of exposure and reducing the crop factor to 1. 5x. That's good! No autofocus or electronic communication: this one's mechanical only. Light cosmetic wear, good function.