Nikon DR-5 Right Angle Viewfinder Attachment is excellent for copy, close to the ground or around a corner work. The DR-5 provides an upright, unreversed image with right-angle viewing and allows 1:1 or 1:2 reproduction ratio. Individual eyesight adjustment is possible with its built-in diopter. The viewfinder attachments screws on to the finder of Nikon SLR and DSLRs. The DR-5 is compatible with all Nikon SLR cameras with a 22mm round high eye-point viewing eyepiece thread.