● With infinity optic system
● Offering upright image viewing. Avoid illusion from the reverse image
● With long working distance Plan objective
● Nosepiece: for bright field and dark field use Plan objective, which offers sharp image and image is plain.
● With reflected Vertical Kohler illumination offering even and enough brightness for different objective

Specification:
● Optic System:  Color-corrected infinity optic system
● Head: Gemel trinocular, 45°inclined, Diopter adjustment ±5 for each side, Interpupillary distance adjustable between: 54-75mm Beam Splitt: binocular : trinocular =80% : 20%
● Eyepieces: High Eye point Wide Field Plan eyepiece: PL10X / 18mm
● Objective:
- LWD Plan Achromatic Metallurgical Objective 5X / 0.125 WD=15.51mm
- LWD Plan Achromatic Metallurgical Objective 10X / 0.25 WD=8.7mm
- LWD Plan Achromatic Metallurgical Objective 20X / 0.40 WD=8.8mm
- LWD Plan Achromatic Metallurgical Objective 50X / 0.60 WD=5.1mm
● Nosepiece: Quadruple nosepiece
● Stage: 
- Size:180x155mm moving range:75x40mm, precision: 0.1mm
- Metal working stage board (Center hole diameter 12)
● Focus: Coaxial coarse and fine adjustment, coarse adjustment 38mm, precision of fine adjustment: 0.002mm
● Illumination: Transmission Koehler illumination with alterable aperture diaphragm and centerable field diaphragm, wide-range volltage 100-240V, single 5W LED light, warm color temperature 2850K-3250K and brightness adjustable

Packing List :
1x Trinocular Microscope Siedentopf Head
1x  Inverted Body Frame with Mechanical Stage and Illumination System
1x  Pair of Plan 10X Widefield Eyepieces
1x  LWD Plan Achromatic Metallurgical Objective: 5X 10X 20X 50X
1x  Power Cord
1x Dust Cover
1x User's Manual