GGS Swivi S2 3X Foldable 3.2" 4:3/3:2 Aspect LCD HD DSLR Video Cameras Optical Viewfinder for Canon 1DX 5DIII / Pentax K3 645Z / Nikon D4 D4s D800 D800E D600 D610 D7100 DF Go to amazon.com Related posts Top recommendation for swivi lcd viewfinder