For Nikon D40, D40X, D80, D90, D200, D300, D300S, D5000, D7000, D7100, D3000, D3100, D3200, D3300, D600, D610, and D750
This Nikon DK-21M Magnifying Eyepiece magnifies the images in the camera's viewfinder by approximately 1.17x and is compatible with select Nikon DSLRs.