View the subjects of your field of view clearer with more magnification using the Nikon DK-17M Magnifying Eyepiece for D3/D3x. This eyepiece is very much convenient to attach to the respective compatible cameras. It helps in magnifying the view finder image by approximately 1.2x. This helps in viewing the images with more precision. In addition to that, the diopter adjustment range of this eyepiece can be increased at both the (+) and (-) sides. High on performance and utility, it is compatible with a wide range of cameras including D4, D3, D2 & D1 Series, D800, D700, F6, F5 and F4.