Student Microscope (Single Nose) : Mainly used for routine microscopy in labs of schools where high magnification is not required. It has a U-shape base, monocular stable inclinable body having coarse motion with rack and pinion, light control by disc or iris diaphragm. 
Packed in Thermobox.
A) With one objective 10x and one eyepiece 10x or 15x
Magnification : 100 x or 150x (Good Quality)
B) Same as above (Routine Quality)
C) With one objective 20x and one eyepiece 10x or 15x
Magnification : 200x or 300x (Good Quality)