Optical System |
Infinity Color Corrected Achromatic Optical System |
Viewing Head |
30° Inclined gemel trinocular head rotates 360°. Interpupillary distance adjustable from 54mm – 75mm, diopter adjustable +/-5. Beam splitter ratio = 100:0, 50:50. |
Eyepieces |
FPL-WF 10x widefield, high eyepoint plan eyepiece, FN22, with cross-line reticle. |
FPL-WF 10x widefield, high eyepoint plan eyepiece, FN22. |
Objectives |
Infinity Corrected Plan Achromat Stress Free LWD 5x, 10x, 20x, 50x. |
Infinity Corrected Plan Achromat Stress Free 4x, 10x, 20x, 40x, 60x. |
Nosepiece |
Reversed quintuple nosepiece. |
Intermediate Tube |
Intermediate tube holds centerable, removable and focusable Bertrand lens with rotating switch, pluggable 360° rotating analyzer and compensators. |
Focus Adjustment |
Coaxial focusing system, coarse focusing adjustment 30mm with tension adjustment. Fine adjustment precision of 0.002mm. |
Stage |
160mm diameter circular metal stage with graphite coating. Anti-corrosive and anti-friction. 360° rotatable in 1° increments, precision 6′. |
Mechanical stage can be attached to circular stage. Moving range of 30mm x 40mm with high precision micrometer, 0.01mm increments. |
Condenser |
Swing-out achromatic condenser, N.A. 1.2 with 360° rotatable polarizer and four-position adjustable scale of 0 / 90 / 180 / 270. |
Reflected Illumination |
Model R40POL-RT 12v, 50w halogen lamp house with pre-centered bulb. LBD filter and pluggable polarizer, field diaphragm and aperture diaphragm adjustments. Rheostat control, wide range voltage of 100V~240V. |
Transmitted Illumination |
Koehler illumination 12v, 50w halogen lamp house with pre-centered bulb and iris diaphragm. Rheostat control, wide range voltage of 100V~240V. |
Polarizer |
Model R40POL-RT polarizer slides into slot in reflected illumination arm. |
Model R40POL rotatable polarizer connects directly onto base of polarizer. |
Analyzer |
360° rotatable analyzer sits in intermediate tube, 2° increments, 6′ precision, with locking device. |
Compensators |
Gypsum 1 λ (Ø18mm, optical path difference of 551nm). Mica 1/4 λ plate (Ø18mm, optical path difference of 147.3nm). Quartz wedge (I-IV). |
C-Mount Adapters |
Focusing 0.35x, focusing 0.5x, focusing 0.65x, 1.0x. |
Filters |
Yellow, neutral, IF550 green interference, daylight blue 45mm diameter filters. |