SODIAL(R) 2.8X 3.0" LCD Viewfinder Extender V1 for Canon 5DII 7D 500D Nikon D700 D800 DSLR Camera 2.8 X 3.0 Viewfinder Extender V1. Through the LCD screen, the picture is magnified 2.8 times. 180 viewing angle, suitable for right or left eye use. Magnetic bracket allows easy installation and removal without any damage. For Canon 5D Mark II / 7D / 500D / 450D / 40D / 50D / 1DS MARK III; Nikon D90 / D300 / D700 / D3 / D3X.