Use Konica-AR lenses on your Olympus...
PNL-D800R, Custom L-Bracket for Nikon D800/D800E (without battery grip).
Sunwayfoto PNL-Z6IIG Custom L Bracket for Nikon Z6II / Z7II with battery grip
Sunwayfoto PNL-Z6II Custom L Bracket for Nikon Z6II / Z7II
PNL-D850G, Custom L-Bracket for Nikon D850G with battery grip.
Plate specifically for Nikon D600 camera.
This camera plate is manufactured specifically for the Nikon D800, D800E camera
Micnova Capture Lens for Nikon Mount photographer
Lens Tripod Mount Ring for Nikon AF 80-400mm f/4.5-5.6D ED VR and Nikon AF-S 300mm f/4D IF-ED
Lens Support Collar Tripod Mount Ring for Nikon AF-S 80-400mm f/4.5-5.6G ED VR N
Quick-Release Lens replacement foot
QR plate for D600 D610