Monocular with achromatic objectives
Model: 
B-191s
Head: 
Monocular, 360° rotating, 30° inclined
Eyepiece: 
Wide Field 10x/18mm
Revolving: 
nosepiece Quadruple, reversed
Objectives: 
Achromatic 4x/0.10, 10x/0.25, 40x/0.65, 60x/0.85 
Stage: 
Double layer, 125x115 mm with X-Y 70x30mm moving range
Focusing: 
Coaxial coarse and fine focusing 
Illuminator: 
X-LED2 system with adjustable intensity
Condenser: 
1,25 N.A. Abbe type with adjustable height and iris diaphragm
Power supply: 
100-240 Vac 50-60 Hz external power unit 6 Vdc output
 
Special version of the B-191 model, fitted with 60x/0.85 objective instead of the 100x/1.25 objective