Kirk lp 63 quick release lens plate for nikon 400mm f28 af s e fl ed vr
The kirk lp 63 quick release lens plate fits nikons 400 mm f28e 500 mm f4e 600 mm f4e and 800 mm f56e lenses replacing the existing foot it provides a secure quick release capability with arca style release systems including kirk arca swiss acra tech and wimberley