Get from Amazon : http://www.amazon.com/gp/product/B00D5Q3V20?tag=wayofcats-20 <br /> <br />2.0x Zoom Right-angle Viewfinder Screen Magnifier for Nikon Fx D700 D800 D800e D3 D3s D3x D4 <br /> <br />As the accessories common used in photography this brand new Seagull viewfinder is imaging of high quality the lens is clear and bright connector is accurate <br />The view can be changed 360 degrees at will It benefits focusing when you are macro shooting with diopter adjusted function :