Fotodiox Vizelex Polar Throttle Lens Mount Adapter for Nikon Nikkor F Mount G-Type D/SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body with Built-In Circular Polarizing Filter

Take our expertise in lens mount adapters and add something unexpected: a built-in polarizing filter. The Polar Throttle opens up new creative possibilities. No more carrying around a camera bag full of filters. Built-in polarizing means easy and convenient image control over any lens that you attach. We offer dozens of choices for both mirrorless and DSLR and film cameras.

Note:
This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc.) will be disrupted.
Set your exposure manually or meter using your camera's Aperture Priority (stop-down) mode.
If your lens does not have a manual aperture control ring, it will stop down to its smallest f/stop by default.