Trapezoidal stereoscopic viewer in varnished wood with Zeiss Ikon lenses
 The stereoscope is suitable for viewing stereoscopic glass plates measuring 6 x 12.5 cm.
 The lenses are in excellent condition and the high-quality Zeiss Ikon optics allow for optimal 3D image viewing.
 On the opposite side of the lenses is a frosted glass plate to diffuse the light to see the glass plates, above it, a mirror to reflect the light to illuminate the cardboard plates.