| Optical System | Infinity color corrected optical system |
| Viewing head | 30° inclined gemel binocular head, interpupillary distance: 54mm~75mm, left diopter ± 5 adjustable
30° inclined gemel trinocular head, interpupillary distance: 54mm~75mm, diopter ± 5 adjustable, splitting ratio R:T=100:0 or 50:50 |
| Eyepiece | High eye–point wide field plan eyepiece PL10X22mm
High eye–point wide field plan eyepiece PL10X22mm, with reticle High eye–point wide field plan focusing eyepiece PL10 x 22mm High eye–point wide field plan eyepiece PL15X16mm |
| Objective | LWD plan achromatic metallurgical objective 5X / 10X / 20X / 50X / 100X |
| Nosepiece | Reversed quintuple nosepiece |
| Focus Adjustment | Transmitted & Reflected frame, coaxial focus system with tension adjustment and up–limited device, coarse range: 28mm, fine precision: 0.002mm. Stage can be adjusted up and down, 28mm high sample is available.
Reflected frame, coaxial focus system with tension adjustment and up–limited device, coarse range: 28mm, fine precision: 0.002mm. Stage can be adjusted up and down, 78mm high sample is available. |
| Stage | Double layer mechanical stage with X/Y coaxial adjustment, size: 175mm × 145mm, moving range: 76mm × 42mm.
Metal plate for transmitted frame; glass plate for transmitted & reflected frame. |
| Reflected illumination | Wide–range voltage 100V-240V_AC50/60Hz, reflected lamp–house with single 5W LED, warm color. Koehler illuminator with oblique light device, center adjustable field and aperture diaphragm |
| Transmitted illumination | Wide–range voltage 100V-240V_AC50/60Hz, transmitted lamp–house with single 5W LED, warm color. |
| Condenser | N.A.0.9 swing–out achromatic condenser for transmitted frame, with center adjustable aperture iris diaphragm. |
| Other accessories | Yellow/neutral/IF550/LBD filter for transmitted light
Digital camera adapter: 1X, 0.67X, 0.5X focusing C–mount, 3.2X photo eyepiece, photo tube with PK or MD mount, relay lens Interference filter for reflected light: Blue filter ≤ 480nm; Green filter 520nm~570nm; Red filter 630~750nm; White balance filter High precision micrometer, scale value 0.01mm |
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