4X,10X,40X(spring)100X(springil)(185):Basic

4X,10X,40X(spring)100X(springil)(195):Optional

Wide field eyepieces WF10X,(WF16X optional):Basic

Sliding Binocular Head Inclined at 45°：Basic

Triple Nosepiece:Optional

Quadruple Nosepiece:basic

Double layer mechanical stage,size 115x125mm range 55x75mm:Basic

Coaxial Coarse And Fine Adjustment, Focusing Range 20mm:Basic

N.A=1.25 Abbe condenser & Iris diaphragm:Basic

Electric light source Halogen Lamp or LED:Basic

AC Input 220V or 110V,DC Output 12V:Basic

DC power supply or rechargable:Optional