M820RF

M820TRF

Optical System

Infinite optical system

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Eyepiece

Extral wide field eyepiece EW10×/22

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Infinite plan
Achromatic
Objective

10×/ 0.25/ ∞/ - (BF/DF) WD 10.0mm

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20×/ 0.4/ ∞/ 0 (BF/DF) WD4.30mm

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40×/ 0.65/ ∞/ 0.17 WD 0.54mm

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100×/ 1.25/ ∞/ 0.17 WD 0.13mm

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5×/ 0.12/ ∞/ - (BF/DF) WD 12mm

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40×/ 0.6/ ∞/ 0 (BF/DF) WD 2.90mm

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50×/ 0.75/ ∞/ 0 (BF/DF) WD 0.32mm

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100×/ 0.8/ ∞/ 0 (BF/DF) WD 2mm

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DIC

20×，100×

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Maximum
Sample Height

30mm

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50mm

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Viewing Head

Siedentopf trinocular viewing head, inclined at 30°, interpupillarty distance 48mm-75mm

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Incident light

24V/100W Halogen light, lightness adjustable

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Kohler illumination and aspherical condenser

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Polarizer and analyzer

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An integrate device foe polarizer and analyzer

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Blue，Green，Yellow and Ground glass

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Transmitted
light

Swing-out condenser NA0.9/ 0.25

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24V/ 100W Halogen light and aspherical condenser

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Blue filter

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Filter

ND25、ND6

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Focusing

Coaxial coarse and fine adjustment, fine division 1μm

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Nosepiece

Backward quintuple nosepiece

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Stage

Non-porous double layer mechanical stage 186X138mm/74mmX50mm

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Double layer mechanical stage 186×138mm/ 74mm×50mm

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Glass specimen preparation plate

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Specimen preparation plate

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Slide glass

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Specimen Presser

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Photo Attachment

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Video Attachment

C Mount 1×，0.5×

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