Chinon Angle Finder iso_250 Zuiko Digital is a versatile

Zuiko Digital is a versatile wide-to-telephoto power zoom lens for Micro Four Thirds cameras

If you want in on the festivities

" but it'll fit anything with a standard 1/4" thread

which is nice

Chinon Angle Finder iso_250 Zuiko Digital is a versatileThe Chinon Angle Finder slip onto the viewfinder of compatible cameras and provides a rotating, focusable view of the groundglass. Ideal for copystand or precision macro work, this angle finder will fit most Chinon SLR cameras with rectangular viewfinders; may fit other cameras, but no guarantees (it's not quite right for a Pentax Spotmatic K1000 finder). In excellent condition, though the rubber eyecup is long gone. Includes box.