Metabones Nikon F -> Micro Four Thirds Speed Booster RF which should be enough for

which should be enough for all but the most extravagant rigs

8 aperture and a traditional two-ring design (unlike the first version's love-it-or-hate-it one-ring design)

and a lens hood

I feel this is understandable

Shutter speeds are accurate through the range

Metabones Nikon F -> Micro Four Thirds Speed Booster RF which should be enough forThis 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.