ID: 
1896
Maker's Name: 
Clean Scope
Where made: 
Japan
Dimensions: 
10.5 × 10.5 × 1.5 cm

Galilean system binoculars with lenses mounted on a cardboard frame, which can be folded flat. Focussing can be done by distorting the frame to change the distance between objective and eyepiece. Magnification X2.5, objective aperture 25 mm.