Vintage Wild Heerbrugg M20 Model Binocular Microscope - circa 1980s, Cased

There's a binocular eyepiece unit that's fitted with twin 10x magnification Carl Zeiss eyepieces. The binocular unit can swivel by a full 360 degrees and the focus and eyepiece separation can be adjusted manually by applying light pressure to the eyepiece tubes.

eBay