Nikon Right Angle Viewing Attachment brand_Photographer's Formulary it's suitable for lenses with

it's suitable for lenses with focal lengths of 24mm and up

a pair of rangefinder-focusing Rodenstock-Stereo-Trinar 35mm f3

a 70-200mm f2

please confirm specific compatibility between the chosen screen and your particular OM body

nice and sharp stopped down a tad

Nikon Right Angle Viewing Attachment brand_Photographer's Formulary it's suitable for lenses withThe Nikon Right Angle Viewing Attachment is a small 90 degree viewfinder extension, ideal for macro or copystand shooting or whenever looking through the cameras viewfinder is impractical. 19mm threaded attachment for use with FE FM style viewfinders. In excellent condition, with light finish wear.