Polaroid Pocket-Sized Digital Grey Card Set With Quick-Release Neck Strap for Digital Photography For The Nikon 1 J1, J2, J3, V1, V2, S1, D40, D40x, D50, D60, D70, D80, D90, D100, D200, D300, D3, D3S, D700, D3000, D5000, D3100, D3200, D7000, D5100, D4, D800, D800E, D600, D610, D7100, D5200, D5300 Digital SLR Cameras