The left ocular-tube with diopter adjustment ±5dp,

The interpupillary distance is between 55-75mm.

Eyepiece WF10X,
Dovetail Inserted styple objective with locked-in device ensure easy replacement

Selection: 1X or 2X or 3X or 4X or6x
Natural illumination and Transmitted illumination

Working Distance 57mm(80mm,61mm,57mm,66mm)