Specification
| Optical system | Infinity color corrected optical system |
| Viewing head |
30° inclined gemel binocular head, interpupillary distance 54~75mm, left diopter ±5 adjustable 30° inclined gemel trinocular head, interpupillary distance 54~75mm, left diopter ±5 adjustable, splitting ratio R:T=100:0 or 50:50 30°~60° tilting binocular head, interpupillary distance 54~75mm, left diopter ±5 adjustable |
| Eyepiece |
High eyepoint widefield plan eyepiece PL10X22mm High eyepoint widefield plan eyepiece PL10X22mm, with reticle High eyepoint widefield plan eyepiece PL15X16mm |
| Objective |
LWD plan strain free objective 5X/10X/20X/50X Plan strain free objective 4X/10X/20X/40X/60X |
| Intermediate tube | With removable internal Bertrand lens, analyzer and compensators. |
| Analyzer | Removable analyzer, 360°rotatable, 2° increments, precision 6′, with locking device |
| Compensator |
Gypsum 1λ （Φ18mm,optical path difference 551nm） Mica 1/4λ (Φ18mm,optical path difference 147.3nm) Quartz Wedge(Ⅰ-Ⅳ) |
| Nosepiece |
Revolving centerable quadruple nosepiece Revolving centerable quintuple nosepiece |
| Focus adjustment |
Transmitted frame / Transmitted & Reflected frame/ Reflected frame; Coarse focus system with upper limit and tension adjustment, coarse range: 30mm, fine precision 2 microns |
| Stage | Dia.160mm circular metal stage, graphite coating, anti-corrosive and anti-friction, 360° rotatable, 1° increment, precision 6′ |
| Condenser | Swing-out achromatic condenser(N.A. 1.25), with 360° rotatable polarizer, four adjustable scale: 0/90/180/270 |
| Reflected llumination | Wide-range voltage 100V-240V_AC50/60Hz, 12V/50W halogen lamp house, center preset, reflected illuminator with LBD filter and removable polarizer, field diaphragm and aperture diaphragm. |
| Transmitted illumination | Koehler illumination, wide-range voltage 100V-240V_AC50/60Hz. 12V/50W halogen lamp house, centering preset, with iris diaphragm |
| Others |
Yellow/neutral/IF550/LBD filter for transmitted light Digital camera adapters: 1X, 2/3, 1/2 focusing C-mount; 3.2X photo eyepiece. Mechanical stage, moving range: 30mm*40mm High precision micrometer, 0.01mm increment |