The DR-5 Right Angle Viewfinder for Professional Nikon Cameras from Nikon
provides an upright, unreversed image for right-angle viewing, very
convenient for waist-level or low-angle photography. Individual eyesight
adjustment is possible with the built-in diopter, and the reproduction
ratio can be set to 1:1 or 1:2. This version comes fitted to be mounted
on SLR cameras that have a 22mm round high eye-point viewing eyepiece
thread, including the D3, D3x, D4, D700, D800 and D800E digital cameras.