Enables the use of accessories such as DR-3 angle finders on Nikon SLR models with a rectangular eyepiece (such as D50, D70s, D80 and D200).
Nikon Viewfinder Eyepiece DK-29
Nikon MEP 38W Fieldscope Eyepiece
Hoodman HoodEYE Nikon 22mm Square for the rest of Nikon SLR line
Swarovski 25-50x W Eyepiece
Sky-Watcher 12.5mm Illuminated Plossl Eyepiece
Sky-Watcher SP Series 6.3mm Super Plossl Eyepiece
