Metabones Nikon F -> Micro Four Thirds Speed Booster  type_Batteries it requires charging cables (LK150

it requires charging cables (LK150 or LK500) to actually charge any batteries

but it's light-tight

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

Optics are nice and clear

Because this is a colour negative stock

Metabones Nikon F -> Micro Four Thirds Speed Booster &nbsptype_Batteries it requires charging cables (LK150This 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.