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NMM-820RF　Technical specifications

　Optical System

　Infinite optical system

　Eyepiece

　Extra wide field eyepiece EW10X/22

　Infinite Plan
Achromatic Objective

　10X/0.25/∞/-(BF/DF) (明暗场共用)

　WD 10.0mm

　20X/0.4/∞/0(BF/DF) (明暗场共用)

　WD 4.30mm

　2.5X/0.08/∞/-(BF) (明场)

　WD 11.7mm

　2.5X/0.08/∞/-(BF) (明场)

　WD 10.7mm（λ玻片）

　5X/0.12/∞/-(BF/DF) (明暗场共用)

　WD 12mm

　40X/0.6/∞/0(BF/DF) (明暗场共用)

　WD 2.90mm

　50X/0.75/∞/0(BF/DF) (明暗场共用)

　WD 0.32mm

　100X/0.8/∞/0(BF/DF) (明暗场共用)      

　WD 2mm

　DIC

20X，100X

　Maximum Sample Heigh

50mm

　Viewing Head

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

　Incident Light

　24V/100W Halogen light, lightness adjustable

　Kohler illumination and aspherical condenser

　Polarizer and analyzer

　An integrate device foe polarizer and analyzer

　Blue, Green, Yellow and Ground glass

　Filter

　ND25、ND6

　Focusing

　Coaxial coarse and fine adjustment, fine division 1μm, moving range 30mm

　Nosepiece

　Backward quintuple nosepiece

　Stage

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

　Glass specimen preparation plate

　Specimen Presser

　Photo Attachment

　Video Attachment

　C Mount 1X, 0.5X

NMM-820TRF Technical specifications

　Optical System

　Infinite optical system

　Eyepiece

　 Extra wide field eyepiece EW10X/22

　Infinite Plan
Achromatic Objective

　10X/0.25/∞/-(BF/DF) (明暗场共用)

　WD 10.0mm

　20X/0.4/∞/0(BF/DF) (明暗场共用)

　WD 4.30mm

　40X/0.65/∞/0.17

　WD 0.54mm

　100X/1.25/∞/0.17

　WD 0.13mm

　2.5X/0.08/∞/-(BF) (明场)

　WD 11.7mm

　2.5X/0.08/∞/-(BF) (明场)

　WD 10.7mm（λ玻片）

　5X/0.12/∞/-(BF/DF) (明暗场共用)

　WD 12mm

　40X/0.6/∞/0(BF/DF) (明暗场共用)

　WD 2.90mm

　50X/0.75/∞/0(BF/DF) (明暗场共用)

　WD 0.32mm

　100X/0.8/∞/0(BF/DF) (明暗场共用)      

　WD 2mm

　DIC

20X，100X

　Maximum Sample Height

30mm

　Viewing Head

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

　Incident Light

　24V/100W Halogen light, lightness adjustable

　Kohler illumination and aspherical condenser

　Polarizer and analyzer

　An integrate device foe polarizer and analyzer

　Blue, Green, Yellow and Ground glass

　Transmitted Light

　Swing-out condenser NA0.9/0.25

　Halogen light and aspherical condenser

　Blue filter

　Filter

　ND25、ND6

　Focusing

　Coaxial coarse and fine adjustment, fine division 1μm, moving range 30mm

　Nosepiece

　Backward quintuple nosepiece

　Stage

　Double layer mechanical stage 186X138mm/74mmX50mm

　Glass specimen preparation plate

　Specimen preparation plate

　Slide glass

　Specimen Presser

　Photo Attachment

　Video Attachment

　C Mount 1X, 0.5X