Specifications
| Optical system | Color corrected infinity optical system（CSIS） |
| Viewing head | Infinity binocular head, 30°inclined, 360° rotatable, interpupillary adjustment range:54mm to 76mm, diopter adjustment of range(±5mm) |
| Infinity trinocular head, light split ratio：binocular100%, binocular:trinocular=50%:50% | |
| Infinity digital head, 3 mega. pixels | |
| Eyepiece | High eye-point wide field plan eyepiece PL10X/22、High eye-point wide field plan eyepiece with reticule PL10X/22R |
| High eye-point wide field plan eyepiece with gridding PL10X/22G | |
| High eye-point wide field plan eyepiece with diopter adjustment PL10X/22T | |
| High eye-point wide field plan eyepiece PL15X/16 | |
| Objective | Transmission: Infinity plan stress free objective 4X,10X,20X,40XS, 60XS, 100XS（oil） |
| Transmission & reflection：Long working distance infinity plan stress free objective 5X,10X,20X, 50XS,100X | |
| Nosepiece | Reversed quadruple nosepiece(center adjustable and with objective center control wrench) |
| Focus | Coaxial focus system with tension adjustable and limited stopper, coarse range 28mm,fine precision 0.002mm |
| Stage | Dia.160mm circular stage, 360°rotatable;1° increments , a does value of venire 6′; with locking devices. The stage is through particularly fabrication processing(graphite flame plating),wear-resistant and anti-corrosion, with clips and micrometer(precision:0.01mm) |
| Illumination system | Transmission: Built-in Koehler illuminator systems, wide-range voltage 90-240V, 6V/30W halogen lamp, pre-centered, with continuous intensity control. Lamp filament’s center and focal length can be adjustable |
| Reflection: Reflection illuminator (with blue filter group), with field diaphragm and aperture diaphragm, 12V/50W halogen bulb, lamp filament’s center and focal length can be adjustable | |
| Transmission & reflection:
Transmission: Built-in Koehler illuminator systems, wide-range voltage 90-240V, 12V/50W halogen bulb, lamp filament’s center and focal length can be adjustable; Reflection: Reflection illuminator (with blue filter group), with field diaphragm and aperture diaphragm, 12V/50W halogen light house(R), lamp filament’s center and focal length can be adjustable |
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| Condenser | Transmission N.A.1.2 swing achromatic condenser, pinion and rack go up and down |
| Transmission and reflection N.A.1.2 swing achromatic condenser, pinion and rack go up and down | |
| Polarizer | Transmission :360°rotatable, 0, 90, 180, 270 four type graduations, with locking device and can shift out the light path |
| Reflection：built in reflected illuminator, fixed | |
| Intermediate tube | Built-in analyzer (can shift out the light path ), 90° rotary. Built-in Bertrand lens(canter and focal length can be adjustable) |
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