Nikon DG-2 2x Eyepiece Magnifier for Nikon D7000, D3100, D300S, D700, D90, D3X, and D3000 Digital SLR Cameras
The Nikon DG-2 2x Eyepiece Magnifier provides 2x magnification of the central portion of the finder image. The Nikon DG-2 is useful for critical focusing in close-up work. The magnifier flips up to quickly view the entire image area when needed. It has a rubber eyecup and dioptric correction ranging from -5 to +1.