Nikon DK21M Magnifier Eyepiece with DK-16 for Select Nikon Cameras

Nikon DK-21M Magnifying Eyepiece maximizes the finder image approximately by 1.17x for added viewing precision. The eyepiece is compatible with Nikon D4, 40X, 80, 90, 200, 300, 3000-series, 5000, 600-series and 7000 cameras.