The Kaiser Focus Scope is a baseboard standing, 4x magnification focus finder that has the advantage over all others in it can be viewed at a distance using both eyes. With a bright distortion-free image on the focussing screen, you also get a wide viewing angle.
This is particularly useful for school darkrooms when students need to look over the shoulder of the tutor.
Dimensions 65mmW x 105mm H x 120mm D