Optical System : Infinity corrected achromatic optical system
Viewing Head : 30° gemel trinocular viewing head with 360° rotable eyepiece tube<br/>Interpupillary distance (IPD) 50-75 mm<br/>
Fixed spectroscopical ratio R:T=80%:20%
Eyepiece : PL10X/22 High eye-point wild field plane eyepiece<br/>
Field of view 20 mm<br/>
Effective exit pupil distance: 19mm<br/>
Diopter ± 5 adjustable
Nosepiece : Backward quadruple nosepiece
Focusing adjustment : Integrated all metal high pressure die casting (HPDC) body<br/>
Precision transmission mechanism with rack and pinion<br/>
Coarse focusing scope: 30mm with tightness adjustment and place limit set<br/>
Fine adjustable precision 0.002 mm