The left ocular-tube with diopter adjustment ±6dp,

The interpupillary distance is between 52-76mm.

Eyepiece SWF10X ,
Zoom Objective 0.70X~4.5X,

Incident illumination and Transmitted illumination, Working Distance 118mm

The size of the round post is Φ25mm

Illuminators the low illuminator is the transmitted illumination of the fluorescent lamp(5W),

the up illuminator is the reflected illumination of the halogen lamp(6V、10W).